CGCgearboxes from China
Chongqing Gearbox Co., Ltd. (重庆齿轮箱有限责任公司)
China's largest manufacturer of heavy-duty industrial and marine gearboxes. 100% state-owned, part of CSSC (China State Shipbuilding Corporation). 2,370 employees, 900,000 m² facility, assets ¥6.0B (2024). Sole supplier of marine gearboxes within CSSC. 340 patents, national technical center with 280 engineers. R&D: KissSoft, SolidWorks, ANSYS, MASTA. Standards: ISO, DIN, AGMA, API, GB. Service network: Russia, Germany, USA, Turkey, Iran, India, Philippines, Pakistan. Over 10,000 cement gearbox sets delivered worldwide (60% China market share). 30,000+ wind turbine gearboxes delivered. SDS supplies CGC gearboxes to Russia under a direct factory contract: CH3 and CK3 industrial gear units, marine gearboxes and drive packages — with European-equivalent cross-referencing, technical support and supervised installation.
Mining
Helical Gearbox for Heavy-Duty Applications
CH is CGC's universal range of industrial helical gear units with parallel shafts for horizontal mounting. Three versions: CH2 (ratios 6.3–28), CH3 (22.4–112) and CH4 (100–450), sizes 04–24, nominal output torque 6.2–714 kN·m. Gears are made of carburised alloy steel and ground to ISO 1328 grade 6 or better, with profile and lead (helix) modification. Welded or cast housing; splash, bath or forced lubrication. The units are interchangeable with imported brands of the same size in dimensions, torque and power.
- Versions
- CH2.H, CH3.H, CH4.H — helical, parallel shafts, horizontal mounting
- Sizes
- 04–24 (CH2 04–24, CH3 05–24, CH4 07–24)
- Stages
- 2, 3 or 4
- Ratios
- 6.3–450 (CH2 6.3–28; CH3 22.4–112; CH4 100–450)
- Nominal torque T2N
- 6.2–714 kN·m
- Nominal power
- up to 9,346 kW (CH2 at n1 = 1,500 rpm)
- Output shaft
- solid (S), hollow with key (H), hollow with shrink disc (D)
- Standards
- ISO 1328 (grade 6 or better), ISO 6336, ANSI/AGMA 6010-E88
Bevel-Helical Gearbox for Heavy-Duty Applications
CK is CGC's range of industrial bevel-helical gear units with right-angle input and output shafts, sharing the modular platform, unified components and standard interface dimensions of the CH series. Versions CK2 (ratios 5–14), CK3 (12.5–90) and CK4 (80–400), sizes 04–24, nominal output torque 5.4–715 kN·m. Bevel gears are rated to ISO 10300, helical gears to ISO 6336, and the units comply with ANSI/AGMA 6010-E88. Solid, keyed hollow or shrink-disc hollow output shaft; vertical mounting on request.
- Versions
- CK2.H, CK3.H, CK4.H — bevel-helical, right-angle shafts
- Sizes
- 04–24 (CK2 04–18, CK3 04–24, CK4 05–24)
- Stages
- 2, 3 or 4 including a bevel stage
- Ratios
- 5–400 (CK2 5–14; CK3 12.5–90; CK4 80–400)
- Nominal torque T2N
- 5.4–715 kN·m
- Output shaft
- solid (S), hollow with key (H), hollow with shrink disc (D)
- Lubrication and cooling
- VG220–VG460 oils; splash, bath or circulation; natural, fan, cooling coil or external cooling
- Standards
- ISO 1328, ISO 6336, ISO 10300, ANSI/AGMA 6010-E88
Tower Mill Reducer
JTM vertical planetary reducers drive tower mills for secondary grinding of metal ores, fine and ultra-fine grinding of non-metallic ores and fine grinding of chemical raw materials. CGC has developed the series since 2012 as the successor to the LDF range. 19 sizes JTM140–JTM2240 cover 200–4,500 kW and ratios of 20–100; nominal output torque per the catalogue table is 140–2,240 kN·m. The base layout is two planetary stages; depending on power, one planetary stage or two parallel stages plus a planetary stage are possible. Lubrication by a separate 63–300 L/min oil station or an integrated air-cooled station.
- Sizes
- 19 (JTM140–JTM2240)
- Power
- 200–4,500 kW
- Ratios
- 20–100
- Nominal torque T2
- 140–2,240 kN·m
- Design
- two planetary stages; options — one planetary, or two parallel + one planetary
- Motor interface
- frame sizes 400–630
- Lubrication
- separate oil station 63–300 L/min or integrated air-cooled unit
CKG High-Pressure Grinding Rolls (HPGR)
CKG are CGC high-pressure grinding rolls (HPGR) for the mining industry, developed from KHD (Germany) technology. The material bed is crushed between a fixed and a floating roll under constant hydraulic pressure; 70–80 % of the product is below 3 mm. 14 sizes from CKG6020 (600 × 200 mm rolls, 2 × 75 kW, 20–26 t/h) to CKG200160 (2,000 × 1,600 mm, 2 × 2,240 kW, 800–1,900 t/h), weight 14–300 t. Hardfaced or carbide-studded roll tyres, Rexroth valves, Siemens automation, power savings up to 50 %.
- Sizes
- 14 (CKG6020–CKG200160)
- Roll diameter × width
- 600 × 200 – 2,000 × 1,600 mm
- Drive power
- 2 × 75 – 2 × 2,240 kW
- Feed size (90 %)
- ≤ 25 – ≤ 72 mm
- Product size (70–80 %)
- ≤ 3 mm
- Throughput
- 20–1,900 t/h
- Weight
- 14–300 t
- Feed material
- compressive strength < 300 MPa, Protodyakonov 5–16, moisture < 10 %
Metallurgy
Bar & Wire Rod Mill Gearboxes
Gearboxes for bar and wire rod mill stands use parallel helical stages. The horizontal H-type is available with gear shifting — two ratios in the range from 2/4 to 32/60 — or without shifting; the V-type has a bevel first stage and is mounted vertically. H-type without shifting and V-type cover ratios of 2–115. Output centre distance 350–750 mm, maximum rolling torque 55–600 kN·m, gearbox weight up to 30 t. Developed in cooperation with SMS; supplied to the Philippines, Indonesia, Spain and Mexico.
- Types
- H — horizontal (with or without gear shifting); V — bevel first stage, vertical mounting
- Ratios
- H with shifting — two ratios, 2/4 … 32/60; H without shifting and V — 2–115
- Output centre distance
- 350–750 mm (larger on request)
- Max. rolling torque
- 55 kN·m (350 mm) – 600 kN·m (750 mm)
- Weight
- up to 30 t
- Output
- two output shafts to the stand rolls
BF2 Pinion Stand
BF2 pinion stands serve the main drive lines of rolling mills: at a 1:1 ratio they split the torque from the motor or main reducer between the work rolls via universal spindles. The range of 10 models BF2-650 … BF2-1300, with centre distances of 650–1,300 mm, is rated for 5,500–10,000 kW at motor speeds from 0–36.83/110.5 to 0–230/640 rpm. In ESP lines the pinion stands follow the main reducers of stands R1–R3 and F1–F4, while stand F5 is driven through the pinion stand only.
- Models
- 10 (BF2-650 … BF2-1300)
- Power
- 5,500–10,000 kW
- Ratio
- 1
- Motor speed
- 0–36.83/110.5 … 0–230/640 rpm
- Centre distance
- 650–1,300 mm
- Input shaft diameter
- 405–619.4 mm
- Dimensions (L × W × H)
- 2,985–4,655 × 2,000–3,150 × 1,976–3,375 mm
Coiler Gearbox
Coiler gearboxes are installed in the coiling section of hot rolling mills, where the coiler winds the finished strip into coils for further processing and transport. CGC's catalogue lists 6 models of the 8101 series (8101.680 … 8101.940B) with centre distances of 680–940 mm and ratings of 950–1,850 kW at motor speeds up to 0–400/1,200 rpm. Five versions have a pair of ratios, 2.37/5.36 or 2.54/5.27; model 8101.680 has a single ratio of 3.363. CGC supplies coiler gearboxes for ESP lines (Primetals) and down coiler gearboxes.
- Models
- 6 (8101.680, 8101.705A, 8101.860, 8101.860A, 8101.940, 8101.940B)
- Power
- 950–1,850 kW
- Motor speed
- 0–230/600 … 0–400/1,200 rpm
- Ratios
- 2.37/5.36; 2.54/5.27; 3.363
- Centre distance
- 680–940 mm
- Gearbox height C
- 1,913–2,443 mm
ESP Line Gearboxes
Gearbox package for third-generation ESP endless hot rolling lines, the 'hot strip instead of cold' route. For the high-reduction roughing stands HRM (R1–R3) CGC supplies main reducers of the 5125/5128 series rated 3,000–5,500 kW with ratios of 7.9–23.85; for the finishing stands FM, 5121/5122/5123 units rated 5,500–7,000 kW with ratios of 1.28–6.54. The line also uses CGC pinion stands and coiler gearboxes. According to CGC, as of 2021 the main drive gearboxes of all 8 ESP lines built in China were designed and made by CGC, in cooperation with Primetals.
- Roughing stands HRM (R1–R3)
- 6 models 5125/5128, 3,000–5,500 kW, i = 7.9–23.85
- Finishing stands FM (F1–F5)
- 7 models 5121/5122/5123, 5,500–7,000 kW, i = 1.28–6.54
- Motor speed
- 0–210/350 … 0–250/750 rpm (HRM); 0–200/640 … 0–270/810 rpm (FM)
- Drive configuration
- R1–R3 and F1–F4 — main reducer + pinion stand; F5 — pinion stand
- Package
- main reducers, pinion stands, coiler gearboxes
- References
- main drive gearboxes of 8 ESP lines in China (CGC data, 2021)
Main Reducer for Rolling Mill
Main reducers of the finishing stands of hot strip mills convert motor speed into rolling speed. They consist of the housing, pinion shafts, a welded gear wheel, bearings and eccentric sleeves, with single-helical or herringbone gearing. CGC supplies the full range for 1250, 1450, 1580, 1780, 2050, 2250 and 2300 mills: motor power 6,500–11,000 kW, ratios 1.43–5.43, output torque 706–2,804 kN·m, weight 36.8–76 t. Users of CGC metallurgical gearboxes include MMK, Severstal, NLMK, Evraz and BMZ.
- Hot strip mills
- 1450, 1580, 1780, 2050, 2250 (catalogue); 1250 and 2300 on request
- Stands
- finishing stands F1–F5
- Motor power
- 6,500–11,000 kW
- Motor speed
- 0–110/275 … 0–200/630 rpm
- Ratio
- 1.43–5.43
- Centre distance
- 950–2,200 mm
- Output torque
- 706–2,804 kN·m
- Weight
- 36,755–76,000 kg
Shear Gearbox
CGC shear gearboxes drive flying shears of hot rolling mills — plate, bar and wire rod lines. The catalogue table lists 7 versions: single-motor units of 600–3,000 kW at 600–690 rpm input with ratios of 17.27–22.47, and twin-motor units of 2 × 1,250 and 2 × 2,300 kW with variable speed (0–225/450 and 0–435/700 rpm) and a ratio of 5.368. Output torque 1,690–5,200 kN·m, centre distance 2,680–3,360 mm, output shaft diameter 558–730 mm.
- Versions
- 7: single-motor and twin-motor
- Power
- 600–3,000 kW; 2 × 1,250 and 2 × 2,300 kW
- Input speed
- 600–690 rpm; 0–225/450 and 0–435/700 rpm
- Ratio
- 5.368–22.4725
- Output torque
- 1,690–5,200 kN·m
- Centre distance
- 2,680–3,360 mm; 2 × 1,495 mm
- Shaft diameter
- input 210–340 mm, output 558–730 mm
Vertical Roll (Edger) Mill Gearbox
Gearboxes for vertical-roll (edger) stands of the roughing and finishing groups of hot rolling mills; the main drive of a vertical stand features large lateral reduction and high rolling torque. CGC has mastered the design and manufacture of the full range and can equip an entire line. The catalogue lists types E and P1E rated 150–1,500 kW, input speed 175/460 … 335/730 rpm, input–output centre distance 1,080–3,090 mm, ratios 4.5–7, supplied for 1450, 1580 and 1780 mills. CGC also builds vertical-roll gearboxes for SMS projects.
- Types
- E and P1E
- Power
- 150–1,500 kW
- Input speed
- 175/460 … 335/730 rpm
- Input–output centre distance
- 1,080–3,090 mm
- Ratio
- 4.5–7
- Mills
- 1450, 1580, 1780
Cement
Roller Press Gearbox (Parallel Planetary)
JGR are second-generation JG roller press gearboxes with two planetary stages and one parallel stage; input and output shafts are parallel and horizontally offset. 21 sizes JGR1016–JGR4862, ratios 45–125, maximum transmitted torque 124–6,050 kN·m. The motor is connected via a cardan shaft; the hollow output shaft is fixed on the roll shaft with a clamping sleeve or shrink disc. Left and right units are interchangeable; supplied with a lube station for cooling and filtration, online monitoring on request. CGC has built more than 3,000 roller press gearboxes.
- Design
- two planetary stages + one parallel stage; offset parallel shafts
- Sizes
- 21 (JGR1016–JGR4862)
- Ratios
- 45–125
- Max. torque T2max
- 124–6,050 kN·m
- Input speed
- 750 / 1,000 / 1,500 rpm (selection tables)
- Output
- hollow shaft with clamping sleeve or shrink disc; solid shaft on request
- Input
- from the motor via cardan shaft
Roller Press Gearbox (Coaxial Planetary)
JGW are coaxial two-stage planetary gearboxes of the JG roller press range, with input and output on one horizontal axis. 18 sizes JGW1016–JGW4454, ratios 25–40, maximum transmitted torque 124–3,750 kN·m, output speed 18.8–60 rpm per the selection tables at 750/1,000/1,500 rpm input. Designed with KISSsoft, MASTA and ANSYS; hollow output shaft with clamping sleeve or shrink disc, interchangeable left and right units, lube station and online monitoring supplied. Catalogue example: a press with a 2,000 kW, 740 rpm motor is fitted with a JGW3846.
- Design
- two planetary stages, coaxial layout
- Sizes
- 18 (JGW1016–JGW4454)
- Ratios
- 25–40
- Max. torque T2max
- 124–3,750 kN·m
- Speeds
- input 750 / 1,000 / 1,500 rpm; output 18.8–60 rpm
- Output
- hollow shaft with clamping sleeve or shrink disc
- Scope
- lube station with cooling and filtration, online monitoring
Vertical Mill Gearboxes
JL bevel-planetary reducers drive vertical roller mills: they transmit motor torque to the grinding table and carry the vertical grinding force, with lubrication and cooling from a separate oil station. Four versions, 40 sizes: JLX (bevel and planetary stages, i = 25–40), JLP (with an additional helical stage, 35–45), JLW and JLWS (two planetary stages, 32–48 and 38–50). Mill power 200–9,000 kW, static load Fstat 2,400–18,000 kN. CGC drives are installed on more than 3,000 vertical mills.
- Versions
- JLX — bevel + planetary; JLP — bevel + helical + planetary; JLW, JLWS — bevel + two planetary stages
- Sizes
- 40: JLX107–JLX315 (10), JLP87B–JLP450B (12), JLW530–JLW815 (9), JLWS550–JLWS900 (9)
- Mill power
- 200–9,000 kW
- Ratios
- JLX 25–40; JLP 35–45; JLW 32–48; JLWS 38–50
- Static load Fstat
- 2,400–18,000 kN
- P/n2 value (selection charts)
- 30–405
- Lubrication
- separate oil station, inlet DN65–DN125, return DN100–DN300
Centre Drive Gearbox for Ball Mill
JS gear units drive tube (ball) mills centrally: a two-stage coaxial layout splits power into two paths with torsion-shaft load sharing. The JS90–JS160-D range covers 800–4,500 kW at 595/740 rpm input and 14.5–19.5 rpm output. Gears are carburised, hardened and ground alloy steel; thin-wall sliding bearings are used. The package includes a low-speed barring drive, diaphragm coupling, lube station with two pumps and 12-channel bearing temperature monitoring with 4–20 mA output. The series was adopted as a Chinese building-materials industry standard in 2001.
- Sizes
- 8 (JS90–JS160), 18 versions up to JS160-D
- Power
- 800–4,500 kW
- Input speed
- 595 / 740 rpm (JS90: 740 / 990 rpm)
- Output speed
- 14.5–19.5 rpm, adjustable to the mill
- Ratio
- 35:1–50:1
- Design
- two stages, coaxial, dual power path, torsion shaft
- Weight
- gear unit 21–79 t; complete drive 31.5–109.5 t
- Monitoring
- 12 bearing RTDs, 4–20 mA signal to the control system
Three-Stage Central Drive Mill Gearbox
JST are three-stage central mill drives that extend the JS series to high-speed motors: a helical stage is added to the dual-path coaxial layout with torsion shaft, and the output stage uses herringbone gears (utility model ZL200420060980.6). Six sizes JST130–JST180 (16 versions) transmit 2,800–8,000 kW at ratios of 55–70:1, 750/890/990 rpm input and 14–18 rpm output. Gear unit weight is 52–132 t. Thin-wall eccentric sliding bearings, 16-channel temperature monitoring and optional online vibration monitoring.
- Sizes
- 6 (JST130–JST180), 16 versions
- Power
- 2,800–8,000 kW
- Ratio
- 55:1–70:1
- Input speed
- 890 / 990 rpm (up to JST150-C); 750 / 890 / 990 rpm (JST160–JST180)
- Output speed
- 14–18 rpm, deviation within ±0.15 rpm
- Design
- three stages, coaxial, dual power path, torsion shaft, herringbone output stage
- Weight
- gear unit 52–132 t; complete drive 69–178 t
- Lube station
- 400–1,000 L/min
CCG High-Pressure Roller Presses
CCG are CGC high-pressure roller presses (HPGR) developed from KHD (Germany) technology: two counter-rotating synchronised rolls, one fixed and one floating, comminute the material bed; the product leaves as a dense flake with more than 70 % below 3 mm and extensive micro-cracking. Typical feeds are clinker, ores, slags, pellets and limestone. Throughput up to 1,000 t/h per unit, grinding circuit output up 30–40 %, power savings up to 50 %. Units CCG8030…CCG200180 have been supplied to cement plants and mines in China.
- Sizes (reference list)
- CCG8030, CCG14080, CCG150100, CCG180100, CCG200160, CCG200180
- Feed material
- compressive strength < 300 MPa, Protodyakonov hardness 5–16, moisture < 10 %
- Particle size
- feed 25–70 mm, product > 70 % below 3 mm
- Throughput
- up to 1,000 t/h and more per unit
- Energy efficiency
- power savings up to 50 %; grinding work down to 15 kWh/t
- Roll surface
- hardfacing or carbide studs (HRC 55 ± 2, layer ≥ 40 mm); studded roll life over 8,000 h
- Scope of supply
- main gearbox, frame, torque arm, rolls, feeder, motor, auxiliary drive, cardan coupling, lube station
- Hydraulics and control
- constant pressure, Rexroth valves; Siemens control
Wind Power
Wind Turbine Step-Up Gearbox
Wind turbine step-up (main) gearboxes are a line CGC has pursued since 1996 as China's first specialised maker. The company pioneered gearboxes for 1.25–2.5 MW turbines in China; today 2.X–10.X MW classes are in series production, an 18 MW gearbox is installed and operating, and technical design for the 25 MW class is complete. Annual output exceeds 3,000 gearboxes, with over 30,000 delivered in total. GL and TÜV certified; designed for high altitude, low temperature, dust and salt fog. CGC took part in drafting GB/T 19073-2018.
- Turbine rating
- 2.X–10.X MW in series; 18 MW gearbox in operation
- Model range (2025 catalogue)
- 1.5 / 2 / 2.5 / 3 / 3.6 / 5 / 7 / 10 / 18 MW
- Annual output
- over 3,000 gearboxes
- Delivered
- over 30,000 (CGC data, 2025)
- Certification
- GL, TÜV
- Standards
- co-author of GB/T 19073-2018
- Operating conditions
- high altitude, low temperature, dust, salt fog
Wind Turbine Yaw Drive
Yaw gearboxes turn the wind turbine nacelle so that the rotor swept area stays perpendicular to the wind and the turbine delivers maximum output. CGC builds them for onshore and offshore turbines from 100 kW to 10 MW and supplies more than 30 Chinese turbine OEMs, including Goldwind, Envision, Mingyang, Sany and Dongfang Electric; annual capacity for yaw and pitch drives is 80,000 units. The 2025 catalogue shows models PH2000J, PH3000YJ, PH5000YJ, PH7000J and PH7000Y. CGC took part in drafting the Chinese industry standard for yaw gearboxes.
- Turbine rating
- 100 kW – 10 MW
- Function
- turning the nacelle and keeping the rotor perpendicular to the wind
- Models (2025 catalogue)
- PH2000J, PH3000YJ, PH5000YJ, PH7000J, PH7000Y
- Execution
- for onshore and offshore turbines
- Annual capacity
- 80,000 yaw and pitch drives
- Customers
- over 30 Chinese turbine OEMs
- Standards
- co-author of the Chinese industry standard for yaw gearboxes
Wind Turbine Pitch Drive
Pitch gearboxes transmit the rotation of an electric motor to the blades mounted on the hub: by changing the pitch angle the system adjusts the blade angle of attack to the wind speed and thus the rotor aerodynamics. CGC supplies them for onshore and offshore turbines from 100 kW to 10 MW to more than 30 Chinese turbine OEMs; annual capacity for pitch and yaw drives is 80,000 units. The 2025 catalogue shows models BJ2200SY, BJ2500YJ, BJ5000J, BJ6000HZ and BJ6500MY. CGC took part in drafting the Chinese industry standard for pitch gearboxes.
- Turbine rating
- 100 kW – 10 MW
- Function
- turning the blades to adjust the angle of attack to wind speed
- Models (2025 catalogue)
- BJ2200SY, BJ2500YJ, BJ5000J, BJ6000HZ, BJ6500MY
- Drive
- electric motor
- Execution
- for onshore and offshore turbines
- Annual capacity
- 80,000 pitch and yaw drives
- Standards
- co-author of the Chinese industry standard for pitch gearboxes
Marine Solutions
GW Marine Reverse-Reduction Gearbox
GW is CGC's main series of marine gearboxes for medium-speed diesels, based on the Lohmann & Stolterfoht licence of 1980: speed reduction, reversing, disengagement of the propeller shaft by a multi-disc friction clutch and absorption of propeller thrust by an integral thrust bearing. 9 designs — 5 reversing and 4 non-reversing — with coaxial or vertically, horizontally or diagonally offset shafts; sizes from GW2830 to GW85120, 200–1,800 rpm input, thrust up to 1,440 kN. PTO/PTI versions drive shaft generators: GWK80112P1 for a Russian trawler is rated 8,000 kW with a 4,126 kW PTO.
- Versions
- reversing GWC, GWD, GWS, GWH, GWM; non-reversing GWL, GWK, GWT, GWU; power take-off — suffix P
- Sizes
- by centre distance, from GW2830 to GW85120
- Input speed
- 200–1,800 rpm
- Ratios
- approx. 2–7.5 (selection tables)
- Transmission capacity
- 0.29–34 kW/rpm
- Propeller thrust
- 80–1,440 kN
- Weight
- 1,070–41,000 kg
- Options
- PTO/PTI, shaft generator, brake, two-speed GWM, GWT versions
GC Marine Reduction Gearbox
GC are single-stage marine reduction gearboxes without a friction clutch: case-hardened and ground helical gears, an integral propeller thrust bearing and PTO on all models. GCS has vertically offset shafts, GCH horizontally offset shafts. Sizes GC400–GC1250 by centre distance, ratios 2–4.5, thrust up to 1,500 kN, power up to 10,000 kW; rolling bearings up to 560 mm and sliding bearings from 600 mm. Low noise and vibration make the series suitable for electric-propulsion ships, cruise ships, ro-ro vessels, bulk carriers and government vessels.
- Versions
- GCS — vertically offset shafts; GCH — horizontally offset
- Sizes
- GC400–GC1250 (centre distance 400–1,250 mm)
- Stages and clutch
- single stage, no friction clutch
- Ratios
- 2–4.5
- Input speed
- 220–1,000 rpm
- Transmission capacity
- 0.95–30.8 kW/rpm; up to 10,000 kW
- Propeller thrust
- 90–1,500 kN
- Bearings
- rolling for 400–560 mm, sliding for 600–1,250 mm
GV Twin-Input Marine Gearbox
GV marine gearboxes combine two engines on one propeller: two input shafts and one output shaft, with clutching, speed reduction, thrust absorption, single- or twin-engine operation and power take-off for shaft generators and fire pumps. Versions GVA (without clutches, variants B and C) and GVW/GVL (with friction clutches), centre distance 900–2,050 mm, ratios 1.5–6, transmission capacity up to 27 kW/rpm, thrust up to 2,000 kN. Reference: GVWD1455P1 for a 120 m Antarctic krill processing trawler — 2 × 4,000 kW, 1,200 kN thrust.
- Versions
- GVA (B, C) — without clutches; GVW, GVL, GVWK, GVWD, GVWH — with friction clutches
- Centre distance
- 900–2,050 mm
- Ratios
- 1.5–6
- Input speed
- 188–1,800 rpm
- Transmission capacity
- 0.96–27 kW/rpm
- Propeller thrust
- 320–2,000 kN
- Weight (GVW)
- 11,700–82,000 kg
- Propellers
- fixed pitch with reversible engines, or controllable pitch
Light-Duty High-Speed Marine Gearbox
GA/GQ are lightweight high-speed marine reverse-reduction gearboxes that CGC has developed since 2001 on the basis of its licensed ranges: reversing, speed reduction and propeller thrust absorption in a compact, light housing. Engine power 200–1,600 kW, input speed 750–2,300 rpm, ratios 1.5–20.5; the selection table lists 31 models from GAS1023 to GAST16063 with thrust of 30–270 kN and weight of 520–5,600 kg. Single-stage GQS/GAS and two-stage GAST units have vertically offset shafts and suit single-, twin- and triple-engine plants.
- Models
- 31 in the selection table (GAS1023 … GAST16063)
- Versions
- reversing GQS/GAS (single stage) and GAST (two stages); non-reversing GQK/GAK, GAKT
- Engine power
- 200–1,600 kW
- Input speed
- 750–2,300 rpm (tables: 600–2,500 rpm)
- Ratios
- 1.5–20.5 (tables: up to 22.5)
- Transmission capacity
- 0.1–1.6 kW/rpm
- Propeller thrust
- 30–270 kN
- Weight
- 520–5,600 kg
LQ Light-Duty Marine Reverse Gearboxes
Lightweight high-speed reverse gearboxes for fast craft and pleasure boats, comparable to the ZF Marine A series. Sizes LQ60–LQ400 plus V versions with a 7° down angle, hybrid diesel-electric models LQ100S/200S/280S (5 operating modes) and coaxial LJN30–LJN1100 clutches. Up to 2,400 kW and 4,000 rpm, SAE interfaces, 0.8 / 0.65 overdrives. Propeller thrust of 8.5–150 kN is taken by an integral thrust bearing; weight 62–1,100 kg; electric (24 V) or cable control. Classification society survey on request.
- Models
- 12 base sizes LQ60–LQ400 (incl. 120C and LQ200-1) plus 7° down-angle V versions
- Input power
- 60–2,400 kW
- Max. input speed
- 2,300–4,000 rpm
- Transmission capacity
- 0.04–1.12 kW/rpm (Pleasure duty)
- Ratios
- 1–3.5; overdrive 0.8 and 0.65
- Propeller thrust
- 8.5–150 kN
- Weight
- 62–1,100 kg
- Interface and control
- SAE 0–4 flywheel housing; electric 24 V / 350 mA or cable
Other
Rubber & Plastic Screw Extruder Gearbox
LJC are three-stage parallel-shaft helical gear units for screw extruders and sheeting equipment in the rubber and plastics industry. 10 sizes LJC250–LJC710 (the number is the output-stage centre distance in mm), each with 10 nominal ratios of 22.4–63; transmitted power 12.5–1,657 kW at 750–1,500 rpm input. Gears and pinion shafts are carburised and ground alloy steel; high-capacity roller bearings are used. Forced lubrication by a built-in pump or separate oil station; three assembly arrangements.
- Sizes
- 10 (LJC250–LJC710, output-stage centre distance in mm)
- Ratios
- 22.4–63, 10 nominal ratios per size
- Rated power
- 12.5–1,657 kW
- Speeds
- input 750 / 1,000 / 1,500 rpm; output 11.9–67 rpm
- Design
- three helical stages, parallel shafts; arrangements I, II, III
- Lubrication
- forced, by built-in pump or separate oil station
- Weight
- 2,000 kg (LJC315) – 8,700 kg (LJC630)
Reference List
Where CGC equipment already runs: sites, industries and machine types — in the full reference list.
Download Reference List (PDF)FAQ — CGC
What equipment does SDS supply from CGC?
SDS delivers the full CGC product range including gearboxes. Detailed series, sizes and technical specifications are available on this page; full PDF catalogues can be downloaded from the Catalogues section.
In which industries is CGC equipment used?
CGC equipment is applied in shipbuilding, cement industry, metallurgy and power generation and other industries. We select a specific model for your duty cycle, load profile, working environment and ambient conditions.
What is the warranty and lead time for CGC?
Standard manufacturer warranty — 12 months from commissioning, no more than 18 months from shipment. Production lead time is 4–16 weeks depending on specification (the equipment is manufactured in China). Delivery to Russia is by road transport. Detailed terms are on the Terms of Cooperation page.
How to order CGC equipment from SDS?
Send a technical request with operating parameters and requirements. Within one business day we prepare a technical-commercial proposal with firm pricing and delivery schedule. Default Incoterms — DDP (with EAEU certification and customs clearance included).
Need help with CGC?
An SDS engineer will size the unit for your load and quote it — usually within one business day.