Request Datasheet
Slewing Drive
WH37-150-RH-250A Slewing Drive
WH37 37-inch hydraulic industrial slewing drive.
Key specifications
- Output torque
- 26,820 N·m / 19,793 lbf·ft
- Holding torque
- 230 kN·m / 170×10³ lbf·ft
- Tilting moment torque
- 450 kN·m / 332×10³ lbf·ft
- Axial load
- 2,100 kN / 472×10³ lbf
- Radial load
- 900 kN / 202×10³ lbf
- Gear ratio
- 150:1
Product overview
WH37 37-inch hydraulic industrial slewing drive. 26,820 N·m output torque, 230 kN·m holding, 450 kN·m tilting, 150:1 ratio, ≤0.15° precision for turntables, lifting and heavy machinery.
- Output torque
- 26,820 N·m / 19,793 lbf·ft
- Holding torque
- 230 kN·m / 170×10³ lbf·ft
- Tilting moment torque
- 450 kN·m / 332×10³ lbf·ft
- Axial load
- 2,100 kN / 472×10³ lbf
- Radial load
- 900 kN / 202×10³ lbf
- Gear ratio
- 150:1
Applications
- Industrial turntables
- Heavy lifting and positioning
- Construction machinery
- Mining and material handling
- Precision CNC / index tables
- OEM heavy rotary platforms
Benefits
- 37-inch hydraulic worm-gear slewing drive for industrial use
- Output torque 26,820 N·m / holding torque 230 kN·m
- Tilting moment 450 kN·m
- Gear ratio 150:1 with precision ≤ 0.15°
- Rated output speed 0.88 rpm
- BMR250-class hydraulic motor interface (RH-250A)
Technical specifications
| Drive type | 37-inch hydraulic worm-gear slewing drive |
|---|---|
| Output torque | 26,820 N·m / 19,793 lbf·ft |
| Holding torque | 230 kN·m / 170×10³ lbf·ft |
| Tilting moment torque | 450 kN·m / 332×10³ lbf·ft |
| Axial load | 2,100 kN / 472×10³ lbf |
| Radial load | 900 kN / 202×10³ lbf |
| Gear ratio | 150:1 |
| Backlash | ≤ 0.15° |
Dimensions & installation drawing
Configuration options
| Parameter | Metric Value | Imperial Value |
|---|---|---|
| Rated Output Speed | 0.88 rpm | — |
| Output Torque | 26,820 N·m | 19,793 lbf·ft |
| Tilting Moment | 450 kN·m | 332×10³ lbf·ft |
| Holding Torque | 230 kN·m | 170×10³ lbf·ft |
| Static Axial Load Rating | 2,100 kN | 472×10³ lbf |
| Static Radial Load Rating | 900 kN | 202×10³ lbf |
| Gear Ratio | 150:1 | — |
| Precision | ≤ 0.15° | — |
Installation, electrical and use information
WH37 Dimensions & Performance Drawing · OEM Mounting Geometry · Key Installation Dimensions
WH37 Dimensions & Performance Drawing
Official dimensional drawing for model WH37-150-RH-250A Rev.A — mounting interfaces, hydraulic motor data, load chart and grease ports.
Product Overview
OEM Mounting Geometry
28×M20 / 32×M20 patterns and grease nipples support repeatable machine design and service.
Technical Data
Key Installation Dimensions
Selected envelope dimensions from the WH37 drawing for early mechanical layout.
| Item | Value |
|---|---|
| Product Model | WH37-150-RH-250A |
| Drive Type | 37-inch hydraulic worm-gear slewing drive |
| Outer Envelope | Approx. Ø1080 mm |
| Housing Height | Approx. 159 mm |
| Mounting Pattern | 28×M20 / 32×M20 equally spaced |
| Drive Interface | Hydraulic motor flange (RH-250A) |
Applications
Can mounting and motor packages be customized?
Yes. Flange interfaces, motor displacement, seals and mounting patterns can be reviewed for OEM industrial programs.
Request technical documents
FAQ
What is the WH37?
The WH37 is an Elerover slewing drive for industrial and OEM motion projects.
Does Elerover manufacture the WH37?
Yes. Elerover is a slewing drive manufacturer and supplier. Share your application requirements and quantity for a factory quote on this model.
What are the key specifications of the WH37?
Key ratings from the product specifications include load 26820 N. See the Technical Specifications section on this page for the full table.
How do I request a quote for the WH37?
Send load, stroke, voltage, IP rating, duty cycle and quantity via the contact form or WhatsApp.
Request a quote
Quote context
Related products
SC3 Slewing Drive with 24 V DC Motor | Compact Worm Gear Rotary Actuator
- Holding torque
- 2200 N·m / 1624 lbf·ft
- Voltage
- 24 V DC
- IP
- IP65
SC3 compact worm-gear slewing drive with 24VDC IP65 motor: 818 N·m output torque, 2200 N·m holding torque, 0.05 rpm, 62:1 ratio, ≤0.17° precision, optional Hall feedback.
View Details →
SC7 7-Inch Slewing Drive | 24 V DC Worm Gear Rotary Actuator
- Output torque
- 937 N·m / 691 lbf·ft
- Holding torque
- 10400 N·m / 7671 lbf·ft
- Voltage
- 24 V DC
- IP
- IP65
SC7 7-inch slewing drive with 24VDC IP65 motor. 937 N·m output torque, 10400 N·m holding torque, 13500 N·m tilting moment, 71:1 ratio, ≤0.17° precision for solar trackers and rotary platforms.
View Details →
SVH3 3-Inch Dual Axis Slewing Drive | 12 V DC Solar Tracker Worm Gear Rotary Actuator
- Output torque
- 800 N·m / 590 lbf·ft
- Holding torque
- 2200 N·m / 1623 lbf·ft
- Voltage
- 12 V DC
SVH3 3-inch dual-axis slewing drive with 12VDC motor interfaces. 800 N·m output torque, 2200 N·m holding torque, 62:1 ratio, ≤0.1° precision for solar trackers and rotary platforms.
View Details →
SC5 5-Inch Slewing Drive | 12 V DC Compact Worm Gear Rotary Actuator
- Output torque
- 720 N·m / 531.4 lbf·ft
- Holding torque
- 5450 N·m / 4022 lbf·ft
- Voltage
- 12 V DC
SC5 5-inch slewing drive with 12VDC motor interface. 720 N·m output torque, 5450 N·m holding torque, 62:1 ratio, ≤0.17° precision for solar trackers and compact rotary platforms.
View Details →