Products
All series made by Yuqiu. Open a series to see its data, versions, tables and drawings.
01
R, F, K, S geared motors
Hardened-gear geared motors: inline, parallel shaft, helical-bevel and helical-worm.
YQR
YQR (R) series inline helical geared motors
Inline helical geared motors with hardened gear flanks: 13 sizes R17–R167, permissible output torque 85 to 18000 Nm, motors 0.18–160 kW. Foot or flange mounting, integral motor or input shaft, double-reducer R..R combinations for very low speeds and the single-stage RX line for high output speeds.
Sizes R17, 27, 37, 47, 57, 67, 77, 87, 97, 107, 137, 147, 167; RX37–RX157Ratio R: 3.33–289.74; RX: 1.3–8.65 (R..R combinations higher)Motor power R: 0.18–160 kW; RX: 0.18–132 kW
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YQF
YQF (F) series parallel shaft helical geared motors
Compact parallel shaft helical geared motors: 10 sizes F37–F157, permissible output torque 200–18000 Nm, motors 0.18–200 kW. Solid or hollow output shaft (shaft-mounted on the driven machine), foot, flange and short-flange versions.
Sizes 37, 47, 57, 67, 77, 87, 97, 107, 127, 157Ratio 3.81–281.71 (F..R combinations higher)Motor power 0.18–200 kW
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YQK
YQK helical-bevel geared motors
YQK are right-angle geared motors built from helical and bevel stages for high-torque duty. Twelve sizes, 37 to 187, cover 0.18–200 kW input power and permissible torque from 200 to 50000 Nm. Solid or hollow shaft, foot, flange, short-flange and torque-arm versions are offered.
Sizes 37, 47, 57, 67, 77, 87, 97, 107, 127, 157, 167, 187Input power 0.18–200 kWRatio (single unit) 5.36–197.37
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YQS
YQS helical-worm geared motors
The YQS range are right-angle geared motors that combine an input helical stage with a worm stage at the output. Seven sizes, 37 to 97, cover 0.18–22 kW input power and permissible torque up to 4000 Nm. Foot, flange, hollow-shaft, short-flange and torque-arm versions are available.
Sizes 37, 47, 57, 67, 77, 87, 97Input power 0.18–22 kWRatio (single unit) 9.96–244.74
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02
NMRV worm gear reducers
Compact worm gear reducers in aluminium and cast-iron housings, single and double stage.
YQNMRV
NMRV / NRV single-stage worm gear reducers
Single-stage worm gear reducers in sizes 025–150 with a hollow output shaft. The NMRV version takes an IEC motor directly through an input flange and hollow input bore; the NRV version has a solid input shaft for a coupling or pulley. Ratios from 5 to 100 with a wide choice of output shafts, flanges and mounting positions.
Sizes NMRV: 025, 030, 040, 050, 063, 075, 090, 110, 130, 150; NRV: 030–150Centre distance 25–150 mmRatio 5–100 (5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100)
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NMRV+NMRV / NRV+NMRV
NMRV+NMRV / NRV+NMRV double-stage worm gear reducers
Double worm reducers built from two single-stage units for very low output speeds. Overall ratios up to 5000 and output torque up to 3182 N·m in the selection tables. Input via IEC motor flange (NMRV+NMRV) or free shaft (NRV+NMRV).
Size combinations NMRV+NMRV: 025/030 … 063/150; NRV+NMRV: 030/040 … 063/150Overall ratio 100–5000Motor power (NMRV+NMRV tables, 1400 r/min) 0.06–1.5 kW
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03
KRV hypoid gear units
High-efficiency right-angle units with hypoid gearing.
04
WP worm gear reducers
Cast-iron worm gear reducers for general industrial drives.
WP
WP series worm gear reducers (single stage)
Classic single-stage worm gear reducers in a cast-iron housing: 13 sizes with centre distances from 40 to 250 mm and ratios from 5 to 100. Versions differ in the arrangement of input and output shafts, an optional motor flange and an optional hollow output shaft.
Sizes (centre distance) 40–250 mm (13 sizes)Ratio 5, 10, 15, 20, 25, 30, 40, 50, 60, 70, 80, 100 (K versions: 5–60)Input power (i = 10–60, 1500 r/min) 0.12–33.2 kW
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WPE
WPE double-stage worm gear reducers
Double-stage worm gear reducers combining two WP stages for very low output speeds: ratios from 200 to 900. Ten size combinations from 40-70 to 155-250, output torque up to 6050 N·m.
Sizes (stage centre distances) 40-70 to 155-250 mm (10 combinations)Ratio 200–900Input power (1500 r/min) 0.17–11.71 kW
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05
T, ARA, HD spiral bevel gearboxes
Turning rotation through 90° on spiral bevel gears, many shaft arrangements.
T
T series spiral bevel gear right-angle gearbox
Cast-iron right-angle gearboxes with spiral bevel gearing that turn the drive through 90°. Ten sizes (T02–T25), exact ratios from 1:1 to 5:1, output torque up to 5713 N·m. One or two input shafts, single- or double-ended output shaft and six mounting positions are available.
Sizes T02, T04, T06, T07, T08, T10, T12, T16, T20, T25Ratio 1:1 – 5:1 (T02, T04: 1:1 and 2:1 only)Rated input power up to 335 kW (T25, 1:1, 870 r/min, on request)
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ARA
ARA series compact spiral bevel gearbox (aluminium housing)
Small right-angle spiral bevel gearboxes with an aluminium-alloy housing. Four sizes (ARA0, ARA1, ARA2, ARA4), ratios 1:1 and 2:1, weight 0.6 to 5.3 kg. Mounting faces on several sides allow installation in any orientation; the unit is factory-lubricated.
Sizes ARA0, ARA1, ARA2, ARA4Ratio 1:1; 2:1Input power 0.005–4.94 kW
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HD
HD series spiral bevel gear right-angle gearbox
Right-angle gearboxes with a cube-shaped housing and ground spiral bevel gears made of carburised alloy steel. Seven sizes (HD09–HD28), ratios 1 to 5, permitted input power up to 188 kW. Available with solid shaft ends, a hollow output shaft and an input flange; can reduce or increase speed.
Sizes 09, 11, 14, 17, 21, 24, 28Ratio 1, 1.5, 2, 3, 4, 5Permitted input power 0.58–188 kW (n1 = 750–2000 r/min)
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06
UDL speed variators
Mechanical stepless speed variators.
07
SWL screw jacks
Worm-gear screw jacks for lifting, pushing and positioning.
SWL
SWL worm gear screw jacks
SWL jacks combine a worm gear and a trapezoidal screw in one compact unit for lifting, lowering, pushing and precise positioning. Capacities range from 0.5 to 100 t (5–1000 kN) with two ratios: normal (P) and slow (M). They are driven by a motor, another power source or by hand, singly or in groups.
Rated load 5–1000 kN (0.5–100 t): 0.5, 1, 2.5, 5, 10, 15, 20, 25, 35, 50, 100 tScrew trapezoidal, Tr16×4 to Tr160×23Ratio P (normal) 6:1 to 14.5:1
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YQSS / YQSSD
YQSS / YQSSD series screw jacks
YQSS is a newer-generation jack combining the drive and the screw in a small, light housing. YQSS has a shaft input, YQSSD a motor flange input. Capacities range from 2 to 100 t with three ratios per size.
Capacity 2, 3, 5, 10, 15, 20, 30, 40, 50, 100 tScrew trapezoidal, Ø25 pitch 5 to Ø100 pitch 16 mmRatios 1/5 to 1/40
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08
Electric motors
Three- and single-phase induction motors, with brake and for inverter duty.
YE3
YE3 premium-efficiency three-phase asynchronous motors (IE3)
YE3 is a general-purpose three-phase asynchronous motor line rated IE3 to IEC 60034-30-2014 and meeting GB 18613-2020. Frame sizes 63–355 cover 0.12 to 315 kW in 2-, 4-, 6- and 8-pole versions. It drops into the same applications as YE2 motors but with higher efficiency, making it a natural choice for energy-saving upgrades.
Frame sizes 63–355Rated power 0.12–315 kWPoles 2, 4, 6, 8
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YE3
YE3 three-phase motors for direct mounting on gear reducers
Special motors for direct (coupling-free) mounting on hardened-gear reducers. They come as standard YE3, brake (Y2EJ), variable-frequency (YVF2) and variable-frequency brake (YVF2EJ) versions. Frame sizes 63–280 cover 0.18–90 kW, with flanges from 120 to 550 mm in diameter that are interchangeable within a frame size.
Frame sizes 63–280Power 0.18–90 kWFlange diameters 120, 160, 200, 250, 300, 350, 400, 450, 550 mm
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Y2EJ
Y2EJ three-phase asynchronous motors with electromagnetic brake
Y2EJ is a totally enclosed fan-cooled squirrel-cage motor built on the base series with an added DC electromagnetic brake. Frame sizes 71–280 provide fast, accurate stopping with low noise and vibration. Typical uses are hoists, electric valves, machine tools, woodworking and printing machines and geared drives.
Frame sizes 71–280Rated power (data tables) 0.18–90 kWPoles 2, 4, 6, 8
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YVF2
YVF2 variable-frequency three-phase asynchronous motors
YVF2 motors are designed for inverter duty in frame sizes 80–355. A sturdy cast-iron or aluminium-alloy housing gives a wide, precise speed range, and mounting dimensions and power ratings match the YE2 series for easy interchange. A separately driven cooling fan keeps the motor cool at any speed.
Frame sizes 80–355Rated power (summary) 0.55–315 kWRated power (data tables) 0.37–375 kW
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YL(ML)
YL (ML) single-phase dual-capacitor asynchronous motors
YL (ML) motors are aluminium-housed single-phase motors with start and run capacitors, designed to the IEC standards for YL/ML series. They cover 0.18–2.2 kW in 2- and 4-pole versions on 220 V. Suitable for compressors, pumps, refrigeration, medical equipment and other machines that start under full load.
Power 0.18–2.2 kWFrame sizes 71–100Speed 1400 / 2800 rpm
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YY(MY)
YY (MY) single-phase capacitor motors with aluminium housing
YY (MY) series are aluminium-housed single-phase capacitor asynchronous motors from 0.09 kW up to 2.2 kW. Frame sizes 63–90 in 2- and 4-pole versions on 220 V. Used in compressors, pumps, refrigeration and medical equipment.
Power 0.09–2.2 kWFrame sizes 63–90Speed 1400 / 2800 rpm
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YC(MC)
YC (MC) single-phase capacitor-start motors
YC (MC) are aluminium-housed single-phase capacitor-start asynchronous motors. They cover 0.12–1.5 kW in frames 71–100, 2- and 4-pole, on 220 V. For compressors, pumps, refrigeration and medical equipment.
Power 0.12–1.5 kWFrame sizes 71–100Speed 1400–1450 / 2800 rpm
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The manufacturer also offers an online selection program (in Chinese). Online reducer selection ↗

