GUOMAOgearboxes, gear motors from China
Jiangsu Guomao Reducer Co., Ltd.
China's largest reducer manufacturer. Over 8 million GUOMAO reducers are in use worldwide. Full product range from compact gearmotors to heavy-duty industrial gear units and planetary drives.
Gearboxes
GX Planetary Gearboxes
GX is the GUOMAO heavy-duty planetary gear reducer range: 27 frame sizes from 09 to 36, rated output torque 22–2,600 kN·m, ratios 25–4,000; higher ratios are reached by combining GX with the GR, GK and GS series. Involute planetary gearing with power splitting, modular ductile cast-iron housing, gears carburised, quenched and ground. Input options: coaxial, bevel gear, helical gear, bevel-plus-helical. Output shaft: hollow with shrink disc or with involute spline, solid with parallel key or with involute spline. Mounting is horizontal, vertical or on a torque arm.
- Frame sizes
- 27 (09–36)
- Rated output torque
- 22–2,600 kN·m
- Ratios
- 25–4,000 (higher when combined with GR/GK/GS)
- Gear type
- involute planetary with power splitting
- Input versions
- coaxial, bevel gear, helical gear, bevel-plus-helical
- Output shaft
- hollow with shrink disc or involute spline; solid with key or involute spline
- Mounting
- horizontal, vertical, torque arm
- Gears
- carburised, quenched, precision-ground; modular high-strength cast-iron housing
Industrial Gear Units
HB is the new-generation GUOMAO industrial gear unit range, 21 sizes 04–24. Type H is parallel-shaft (H2, H3, H4 for two, three and four stages), type B is bevel-helical (B2, B3, B4). Nominal ratios 5–450, input power 4–5,622 kW, rated low-speed shaft torque 6.9–725 kN·m. Cylindrical gear rating follows GB/T 3480, DIN 3990 and ISO 6336, bevel gear rating DIN 3991 and ISO 10300; ground gears are accuracy grade 6. Helical pair efficiency 98.5 %, bevel pair 97.5 %, bearing life above 50,000 h at a service factor of 1.4 or higher.
- Sizes
- 21 (04–24)
- Design types
- H2/H3/H4 — parallel shaft, B2/B3/B4 — bevel-helical
- Nominal ratios
- H2 6.3–28, H3 22.4–112, H4 100–450; B2 5–14, B3 12.5–90, B4 80–400
- Input power P1N
- 4–5,622 kW
- Rated torque T2N
- 6.9–725 kN·m
- Rating standards
- GB/T 3480, DIN 3990, ISO 6336; bevel gears DIN 3991, ISO 10300; gear accuracy grade 6
- Efficiency
- 98.5 % helical pair, 97.5 % bevel pair
- Versions
- mounting H (foot), M (footless), V (vertical); output shaft S (solid), H (hollow keyed), D (hollow with shrink disc); arrangements A–I
Crane Reducers
QY are crane gear reducers with hardened and ground teeth, designed for frequent reversing and heavy duty cycles. Two structural lines: QY…S with three-point suspension (allows horizontal, vertical and inclined mounting) and QY…D on a base frame. Three- and four-stage versions plus the combined QY34. 15 sizes by centre distance 160–800 mm, rated low-speed shaft torque 2.8–355 kN·m, ratios 16–90 and 100–400. Gears are carburised, quenched and NILES-ground; per-stage efficiency 0.98. They replace the ZQ, QJ and ZSC reducers.
- Types
- QY3S/QY3D (3 stages), QY4S/QY4D (4 stages), QY34S/QY34D (combined)
- Sizes
- centre distance 160–800 mm (15)
- Ratios
- 16–90 (three-stage), 100–400 (four-stage)
- Rated low-speed shaft torque
- 2.8–355 kN·m
- Permissible input power (duty M5)
- 1.1–3,510 kW at 600–1,500 rpm
- Stage efficiency
- 0.98
- Low-speed shaft
- cylindrical with key (P), involute spline (H), gear coupling end (C, sizes 180–560 mm)
- Operating conditions
- gear pitch-line speed up to 20 m/s, input up to 1,500 rpm, −40…+45 °C, reversible
Single-Screw Extruder Reducers
ZLYJ is the volume GUOMAO reducer range for single-screw plastic and rubber extruders. 15 sizes ZLYJ112–ZLYJ450 (dimension tables also list ZLYJ630 and the three-stage ZSYJ450/560/630), ratios 8, 10, 12.5, 14, 16, 18 and 20, rated power up to 748 kW and output torque up to 43.9 kN·m. Alloy-steel gears are carburised, quenched and ground to HRC 58–62 and accuracy grade 6 per GB 10095. A thrust bearing with a dynamic rating of 319–2,725 kN sits at the front of the hollow output shaft and takes the screw thrust. The reinforced “S” version raises the load rating by 12 %.
- Sizes
- 15 (ZLYJ112–ZLYJ450); dimension tables also list ZLYJ630, ZSYJ450/560/630
- Ratios
- 8, 10, 12.5, 14, 16, 18, 20
- Rated power
- 3.9–748 kW (input 750–1,500 rpm)
- Output torque
- 0.65–43.9 kN·m
- Gears
- carburised, quenched, ground, HRC 58–62, accuracy grade 6 per GB 10095
- Screw thrust bearing
- dynamic rating 319–2,725 kN; screw thrust 41–590 kN
- Cooling
- 112–146 none, 173–280 water coil, 315–450 forced circulation with oil cooler
- Output bore
- key H (GB/T 1095), straight-sided spline R (GB/T 1144), involute spline K (GB/T 3478.1)
Modular High-Power Reducers
GM is the GUOMAO modular heavy-duty industrial gear unit range (catalogue NO.005), 9 sizes GM10–GM90. Two gear types: parallel-shaft helical (2, 3 and 4 stages, ratios 6.3–400) and right-angle bevel-helical (3, 4 and 5 stages, ratios 14–1,800). Input power 2.8–2,975 kW, rated output torque 5.4–183 kN·m, maximum torque twice the rated value. The low-speed shaft is horizontal or vertical, solid (S) or hollow (H); mounting on feet (F), on a torque arm (T) or by flange. Efficiency 0.97 / 0.955 / 0.94 / 0.93 for two, three, four and five stages.
- Sizes
- 9 (GM10–GM90)
- Gear type
- parallel-shaft helical (P/PV) or right-angle bevel-helical (R/RV)
- Stages
- 2–4 (helical), 3–5 (bevel-helical)
- Ratios
- 6.3–400 (helical), 14–1,800 (bevel-helical)
- Input power PN1
- 2.8–2,975 kW
- Rated output torque MN2
- 5.4–183 kN·m; maximum MK2max = 2 × MN2
- Efficiency
- 0.97 / 0.955 / 0.94 / 0.93 for 2 / 3 / 4 / 5 stages
- Versions
- horizontal or vertical LSS, solid (S) or hollow (H); foot (F), torque arm (T) or flange mounting; weight 240–3,550 kg
GTN Planetary Gear Reducers
GTN is a modular multi-purpose planetary drive programme with 18 frame sizes GTN00–GTN21. The in-line version (L) has one to four stages, ratios 3.43–2,692, rated torque 1.25–656 kN·m and maximum torque up to 934 kN·m. The right-angle version (R), whose first stage is a spiral bevel set, has two to four stages, ratios 7.13–953 and torque up to 404 kN·m. Power 0.07–260 kW; efficiency 0.97 / 0.94 / 0.91 / 0.88 for one, two, three and four stages. Mounting by flange, foot or shaft; ductile cast-iron housing, internal parts coupled through splines, planet gears on a self-centering carrier.
- Frame sizes
- 18 (GTN00–GTN21); torque tables also list GTN23 and GTN25
- In-line version (L)
- 1–4 stages, ratios 3.43–2,692, rated torque 1.25–656 kN·m
- Right-angle version (R)
- 2–4 stages (spiral bevel first stage), ratios 7.13–953, torque up to 404 kN·m
- Max. torque
- up to 934 kN·m
- Power
- 0.07–260 kW
- Efficiency
- 0.97 / 0.94 / 0.91 / 0.88 for 1 / 2 / 3 / 4 stages
- Mounting and output
- flange, foot, shaft; keyed, splined, splined hollow or hollow shaft with shrink disc
- Input
- IEC adaptor (P71–P250), integral compact motor (up to GTN07), keyed or fan-cooled input shaft
HE Single-Screw Extruder Reducers
HE is the GUOMAO reducer developed specifically for high-torque single-screw extruders. The series comes from the same industrial gear unit division as HB and is positioned by the manufacturer as a solution with high load capacity, smooth running and high efficiency. Within the GUOMAO extruder programme HE sits above the standard ZLYJ and the heavy-duty JE ranges, covering applications where screw torque exceeds the standard series. The manufacturer publishes no power, torque or ratio ranges for HE: no catalogue has been released and selection is made from an enquiry sheet.
- Application
- high-torque single-screw extruders
- Position in range
- above the standard ZLYJ and heavy-duty JE series
- Product group
- GUOMAO industrial gear units (same division as the HB series)
- Declared features
- high load capacity, smooth running, high efficiency
- Published ranges
- not released by the manufacturer; selection via enquiry sheet
- Adjacent series for reference
- ZLYJ 3.9–748 kW, up to 43.9 kN·m; JE up to 450 kW, up to 41.7 kN·m
JE Extruder Reducers
JE is the GUOMAO high-load reducer series for single-screw extruders: 10 sizes JE3–JE12, two-stage gearing, ratios from 6.3 to 28. Rated power up to 450 kW, output torque 2.41–41.68 kN·m. The selection tables already include the service and safety factors: for plastic extruders the values are used directly, for rubber extruders they are multiplied by 0.9. The standard configuration is natural cooling with splash lubrication; thermal capacity is 25–111 kW without auxiliary cooling and up to 417 kW with an oil cooler. Output bore with a parallel key, straight-sided or involute splines.
- Sizes
- 10 (JE3–JE12)
- Stages
- 2
- Ratios
- 6.3–28 (14 values)
- Rated power
- up to 450 kW (input 750–1,500 rpm)
- Output torque
- 2.41–41.68 kN·m
- Thermal capacity
- 25–111 kW without cooling; up to 417 kW with oil cooler
- Standard configuration
- natural cooling, splash lubrication, upgraded thrust bearing
- Output bore
- parallel key (H), straight-sided spline (R), involute spline (K)
Compact Cycloidal Speed Reducers
XWD and XLD are the X-line cycloidal gearmotors built to the Q/320412LDC009 company standard: XWD is foot-mounted (horizontal), XLD is flange-mounted (vertical). In performance the X line is equivalent to the B line (BWD/BLD) — ratios, power and torque match — but external, mounting and connection dimensions differ, which makes it possible to match an existing installation. 12 single-stage sizes X1–X12 with shaft heights of 100–540 mm, 13 two-stage and 8 three-stage sizes. Motor power 0.12–90 kW, torque up to 30 kN·m, ratios from 7 to 658,503.
- Versions
- XWD — foot-mounted (horizontal), XLD — flange-mounted (vertical), with integral motor
- Sizes
- 12 single-stage X1–X12 (shaft height 100–540 mm), 13 two-stage, 8 three-stage
- Ratios
- 7–87 (1 stage), 99–7,569 (2), 8,041–658,503 (3)
- Motor power
- 0.12–90 kW
- Max. output torque
- up to 30 kN·m
- Single-stage efficiency
- above 90 %
- Line standard
- Q/320412LDC009 (cross-reference to B-line sizes given in the catalogue)
- Limits
- input up to 1,500 rpm; the output shaft carries no axial load
Planetary Slewing Drives
GLW are planetary slewing drives whose output member is a pinion meshing with the slewing-ring gear. 20 frame sizes, two, three or four planetary stages, ratios 18–4,500 and permissible torque 3,000–500,000 N·m. Mounting is flange-only in three variants — for a hydraulic motor (two or three stages) and for an electric motor with brake. Input: shaft with a DIN 6885 key or a DIN 5480 spline. Efficiency 0.96 / 0.94 / 0.92 for two, three and four stages. Gear rating to DIN 3990, duty classification to FEM 1987; external gears are surface-hardened, accuracy grade 7.
- Application
- slewing drive — output pinion meshing with the slewing-ring gear
- Frame sizes
- 20 (01–110)
- Stages
- 2, 3 or 4 planetary
- Ratios
- 18–4,500
- Permissible torque
- 3,000–500,000 N·m
- Efficiency
- 0.96 / 0.94 / 0.92 for 2 / 3 / 4 stages
- Versions
- flange A and B (removable pinion, hydraulic or electric motor), flange C (pinion integral with shaft)
- Standards
- DIN 3990 (gear rating), FEM 1987 (duty), DIN 6885 / DIN 5480 (input); external gear accuracy grade 7
Internal Mixer Reducers
ML are dedicated GUOMAO reducers for closed rubber internal mixers, built with a single output shaft. Four sizes: ML35 — 16 kN·m, ML55 — 22 kN·m, ML75 — 33 kN·m, ML110 — 66 kN·m; output speed 32 rpm. The drive is rated for shock loading during batch charging and for continuous operation at high torque. Within the same rubber-machinery programme GUOMAO also supplies twin-shaft internal mixer reducers M50–M160 (chamber volume 50–160 l, torque 36–120 kN·m) and SK/XK two-roll mill reducers.
- Application
- closed rubber internal mixers
- Sizes
- 4 (ML35, ML55, ML75, ML110)
- Output torque
- 16 / 22 / 33 / 66 kN·m
- Output speed
- 32 rpm
- Design
- single output shaft
- Adjacent series
- twin-shaft M50–M160 (36–120 kN·m), SK/XK two-roll mills (24–192 kN·m)
- Published ranges
- power, ratios and dimensions are not published by the manufacturer
Twin-Screw Extruder Reducers
SZ and SZL are reducers for conical twin-screw plastic extruders. The drive consists of two separate housings: a reduction box that lowers speed and raises torque, and a distribution box that splits the torque between the two conical screws and keeps them counter-rotating in synchronism. Seven models in each line: SZ45–SZ92 (18.5–110 kW) and SZL51–SZL92 (22–110 kW), torque per screw 1,972–13,130 N·m, output speed 37.5–44.9 rpm at an input of 1,500 rpm. The size number equals the large-end screw diameter.
- Models
- SZ45, SZ50, SZ55, SZ55F, SZ65, SZ80, SZ92; SZL51, SZL55, SZL55F, SZL65, SZL80, SZL80/173, SZL92
- Design
- reduction box + separate distribution box, synchronous counter-rotation of the screws
- Input power
- 18.5–110 kW (SZ), 22–110 kW (SZL)
- Torque per screw
- 1,972–13,130 N·m
- Speeds
- input 1,500 rpm, output 37.5–44.9 rpm
- Gears
- low-carbon alloy steel, carburised, quenched, ground; distribution box housing of ductile cast iron
- Cooling
- circulating-water coils in both boxes, inlet water temperature max. 30 °C
- Motor connection
- elastic coupling
Cylindrical Gear Reducers
ZY are parallel-shaft cylindrical gear reducers with hardened and ground teeth. Four variants by number of stages: ZDY — one stage (13 sizes, centre distance 80–560 mm, ratios 1.25–5.6), ZLY — two stages (17 sizes, 112–710 mm, 6.3–20), ZSY — three stages (14 sizes, 160–710 mm, 22.4–100), ZFY — four stages (14 sizes, 180–800 mm, 100–500). Power 1.1–6,000 kW, rated low-speed shaft torque up to 520 kN·m. Gears are made of high-strength low-carbon alloy steel, carburised, quenched and ground.
- Variants
- ZDY (1 stage), ZLY (2), ZSY (3), ZFY (4)
- Sizes
- centre distance 80–800 mm
- Ratios
- 1.25–5.6 / 6.3–20 / 22.4–100 / 100–500 by variant
- Power
- 1.1–6,000 kW
- Rated low-speed shaft torque
- up to 520 kN·m
- Gears
- low-carbon alloy steel, carburised, quenched, ground (hardened tooth flanks)
- Assembly arrangements
- nine (I–IX)
- Options
- CKF-A backstop, cooling coil (PG) or oil cooler (GL), forced lubrication (DPB / WXH)
Bevel-Cylindrical Gear Reducers
DBY/DCY bevel-helical reducers have perpendicular input and output shafts. DBY is two-stage (first stage a Gleason spiral bevel set, second a helical cylindrical set), 12 sizes with centre distances 160–560 mm and ratios 8–14. DCY is three-stage, 15 sizes 160–800 mm, ratios 16–71. Power 4.5–2,850 kW, rated low-speed shaft torque up to 778 kN·m. Built to JB/T 9002-1999, they replace the SS, ZQ and ZL reducer ranges. Gears are carburised, quenched and precision-ground; the output shaft is solid or hollow — with a parallel key (H) or a shrink disc (D).
- Variants
- DBY — 2 stages (12 sizes), DCY — 3 stages (15 sizes)
- Centre distance
- 160–560 mm (DBY), 160–800 mm (DCY)
- Ratios
- 8–14 (DBY), 16–71 (DCY)
- Power
- 4.5–2,850 kW
- Rated low-speed shaft torque
- up to 778 kN·m
- Standard
- JB/T 9002-1999; replaces SS, ZQ and ZL reducers
- Output shaft
- solid or hollow (K): with parallel key (H) or shrink disc (D)
- Operating conditions
- input up to 1,500 rpm, gear pitch-line speed up to 20 m/s, −40…+45 °C
European Crane Hoisting Reducers
GTX is the hoisting drive for European-type cranes within the GUOMAO planetary programme. Power 2.6–40 kW, ratios 34.3–230 and torque 450–14,000 N·m cover the winches of electric hoists and single-girder cranes of roughly up to 20 t capacity. The layout is a compact block: the gear unit is assembled with the motor and brake and bolted to the rope drum. The series was developed as an import substitute for European crane drives and has been shipping in volume since 2023. No separate catalogue has been released: frame sizes, versions and interface dimensions are confirmed from an enquiry sheet.
- Application
- hoisting mechanism of European-type cranes
- Power
- 2.6–40 kW
- Ratios
- 34.3–230
- Torque
- 450–14,000 N·m
- Layout
- integrated motor + brake + gear unit block for drum mounting
- Product group
- GUOMAO planetary gear reducers
- Sizes and versions
- no catalogue released; confirmed from an enquiry sheet
Gear Motors
Helical Geared Motors
GR in-line helical geared motors are the backbone of the GUOMAO modular range: input and output shafts with small eccentricity, two or three stages of helical gears. 14 sizes GR19–GR179, maximum output torque 85–36,600 N·m, motor power 0.12–160 kW, ratios 1.3–26,995 including the GR..R combined units. High-strength cast-iron housing; gears and pinion shafts are gas-carburised, quenched and precision-ground; gear stage efficiency above 95 %. Versions: foot-mounted (GR), B5 flange (GRF), flange with extended bearing housing for agitators (GRM), and a separate-drive input version (GR..AD).
- Sizes
- 14 (GR19–GR179)
- Max. output torque
- 85–36,600 N·m
- Ratios
- 1.3–26,995 (incl. GR..R combined units)
- Motor power
- 0.12–160 kW
- Stages
- 2 or 3 (single-stage version — GRX series)
- Versions
- foot GR, B5 flange GRF, extended-bearing flange GRM, input shaft GR..AD, combined GR..R
- Gear stage efficiency
- above 95 %
- Operating conditions
- −10…+40 °C, up to 1,000 m altitude, bidirectional
Helical-Bevel Geared Motors
GK helical-bevel geared motors with perpendicular shafts: two stages of helical cylindrical gears plus one stage of spiral bevel gears. 12 sizes GK39–GK189 cover the widest torque range in the GUOMAO geared-motor programme: 200–50,000 N·m. Ratios 5.36–29,414, motor power 0.12–200 kW. Versions: foot-mounted (GK), B5 flange (GKF) and B14 flange (GKAZ/GKHZ), shaft-mounted with hollow shaft (GKA/GKAF), hollow shaft with shrink disc (GKH/GKHF), torque arm (GKAT/GKHT) and GR-combined units (GK..R). Gears are carburised, quenched and ground.
- Sizes
- 12 (GK39–GK189)
- Max. output torque
- 200–50,000 N·m
- Ratios
- 5.36–29,414
- Motor power
- 0.12–200 kW
- Gear train
- 2 helical stages + 1 spiral bevel stage
- Shaft arrangement
- output shaft perpendicular to input
- Versions
- foot GK, B5 flange GKF, B14 flange GKAZ/GKHZ, shaft-mounted GKA/GKAF, shrink disc GKH/GKHF, torque arm GKAT/GKHT
- Gear stage efficiency
- above 95 %
Parallel-Shaft Helical Geared Motors
GF parallel-shaft geared motors: all shafts are parallel to one another, the train consists of two or three stages of helical cylindrical gears. 10 sizes GF39–GF159, maximum output torque 200–18,000 N·m, ratios 3.78–31,000, motor power 0.12–110 kW per the catalogue selection tables. The flat design allows the drive to be built in along the machine frame. Versions: foot-mounted (GF), B5 flange (GFF), shaft-mounted with hollow shaft (GFA/GFAF), hollow shaft with shrink disc (GFHF, GFHZ) and torque arm. Gears are carburised, quenched and ground; gear stage efficiency above 95 %.
- Sizes
- 10 (GF39–GF159)
- Max. output torque
- 200–18,000 N·m
- Ratios
- 3.78–31,000
- Motor power
- 0.12–110 kW
- Stages
- 2 or 3 (helical cylindrical)
- Shaft arrangement
- all shafts parallel, flat design
- Versions
- foot GF, B5 flange GFF, shaft-mounted GFA/GFAF, hollow shaft with shrink disc GFHF/GFHZ, torque arm
- Gear stage efficiency
- above 95 %
Helical-Worm Geared Motors
GS helical-worm geared motors: the output shaft is perpendicular to the input, the train combines one helical cylindrical stage with one worm stage. 8 sizes GS39–GS109, maximum output torque 87–6,500 N·m, ratios 9.1–33,818, motor power 0.12–30 kW. Worm pair efficiency up to 89 %, helical stage above 95 %. Versions: foot-mounted (GS), B5 flange (GSF), shaft-mounted with hollow shaft (GSA), hollow shaft with shrink disc (GSH/GSHF/GSHZ) and torque arm (GSAT/GSHT). Compact envelope with high ratios in a single housing.
- Sizes
- 8 (GS39–GS109)
- Max. output torque
- 87–6,500 N·m
- Ratios
- 9.1–33,818
- Motor power
- 0.12–30 kW
- Gear train
- 1 helical cylindrical stage + 1 worm stage
- Worm pair efficiency
- up to 89 %
- Versions
- foot GS, B5 flange GSF, shaft-mounted GSA, shrink disc GSH/GSHF/GSHZ, B14 flange GSHZ, torque arm GSAT/GSHT
- Weight without motor
- 6.5–391.6 kg
Single-Stage Helical Geared Motors
GRX is the single-stage version of the in-line GR family: one pair of helical cylindrical gears, low ratios of 1.26–6.52 and correspondingly high output speeds. Seven sizes GRX59–GRX139, maximum output torque 70–1,500 N·m, motor power 0.12–55 kW. Two mounting versions — foot-mounted (GRX) and B5 flange (GRXF). Components are shared with GR: the same high-strength cast-iron housing, carburised, quenched and ground gears and the same IEC motor interfaces. Gear unit weight without motor: 8.7 to 145.9 kg.
- Sizes
- 7 (GRX59–GRX139)
- Stages
- single (helical cylindrical)
- Max. output torque
- 70–1,500 N·m
- Ratios
- 1.26–6.52
- Motor power
- 0.12–55 kW
- Versions
- foot-mounted (GRX), B5 flange (GRXF)
- Gear stage efficiency
- above 95 %
- Weight without motor
- 8.7–145.9 kg
Cycloidal Gearmotors
BLD and BWD are cycloidal gearmotors with a directly coupled integral motor: BLD is flange-mounted (vertical), BWD is foot-mounted (horizontal). The planetary drive with small tooth difference and cycloidal pin-wheel meshing to JB/T 2982 reaches 1:87 in a single stage at an efficiency above 90 %. Motor power 0.12–90 kW, maximum output torque up to 30 kN·m. Ratios are 7–87 for one stage, 99–7,569 for two and 8,041–658,503 for three. The main meshing components are made of bearing steel; multi-tooth engagement and rolling contact give high overload capacity and low moment of inertia.
- Versions
- BLD — flange-mounted (vertical), BWD — foot-mounted (horizontal), with integral motor
- Sizes
- 11 single-stage (B09–B9), 13 two-stage, 8 three-stage
- Ratios
- 7–87 (1 stage), 99–7,569 (2), 8,041–658,503 (3)
- Motor power
- 0.12–90 kW
- Max. output torque
- up to 30 kN·m
- Single-stage efficiency
- above 90 %
- Standard
- JB/T 2982
- Limits
- input up to 1,500 rpm; the output shaft carries no axial load
FAQ — GUOMAO
What equipment does SDS supply from GUOMAO?
SDS delivers the full GUOMAO product range including gearboxes and gear motors. 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 GUOMAO equipment used?
GUOMAO equipment is applied in metallurgy, cement industry, mining & mineral processing and crane manufacturing 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 GUOMAO?
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, Jiangsu Province, Changzhou). Delivery to Russia is by road transport. Detailed terms are on the Terms of Cooperation page.
How to order GUOMAO 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 GUOMAO?
An SDS engineer will size the unit for your load and quote it — usually within one business day.