OMTW400 11116528 Danfoss OMT400 High Torque Orbital Motor

Product Overview

The OMTW / OMT / BMT Series (including OMT160, OMT250, OMT315, OMT400 and OMTW400 11116528) are classic Danfoss low-speed high-torque (LSHT) orbital hydraulic motors. Featuring precision Geroler gear sets and disc valve design, they deliver high starting torque, high volumetric efficiency, and excellent side-load capacity. The OMTW version is optimized for wheel-mount applications in mobile equipment. Fully interchangeable with genuine Danfoss units and subjected to 100% simulated operating condition testing, these motors provide reliable performance for medium- to heavy-duty agricultural, construction, and industrial applications.

Technical Specifications 

• Model: OMT160
  • Geometric displacement: 161.1 cm³/rev (9.83 in³/rev)
  • Maximum continuous speed: 625 rpm
  • Maximum intermittent speed: 780 rpm
  • Maximum continuous torque: 470 Nm
  • Maximum intermittent torque: 560 Nm
  • Maximum continuous pressure drop: 200 bar
  • Maximum intermittent pressure drop: 240 bar
  • Peak pressure drop: 280 bar
  • Maximum continuous flow: approx. 100 L/min
  • Control type: Fixed-displacement Geroler disc valve
  • Weight: approx. 20.0 kg
• Model: OMT250
  • Geometric displacement: 251.8 cm³/rev (15.37 in³/rev)
  • Maximum continuous speed: 500 rpm
  • Maximum intermittent speed: 600 rpm
  • Maximum continuous torque: 730 Nm
  • Maximum intermittent torque: 880 Nm
  • Maximum continuous pressure drop: 200 bar
  • Maximum intermittent pressure drop: 240 bar
  • Peak pressure drop: 280 bar
  • Weight: approx. 21.0 kg
• Model: OMT315
  • Geometric displacement: 326.3 cm³/rev (19.91 in³/rev)
  • Maximum continuous speed: 380 rpm
  • Maximum intermittent speed: 460 rpm
  • Maximum continuous torque: 950 Nm
  • Maximum intermittent torque: 1140 Nm
  • Maximum continuous pressure drop: 200 bar
  • Maximum intermittent pressure drop: 240 bar
  • Peak pressure drop: 280 bar
  • Weight: approx. 22.0 kg
• Model: OMT400 / OMTW400 11116528
  • Geometric displacement: 410.9 cm³/rev (25.07 in³/rev)
  • Maximum continuous speed: 305 rpm
  • Maximum intermittent speed: 365 rpm
  • Maximum continuous torque: 1080 Nm
  • Maximum intermittent torque: 1260 Nm
  • Maximum continuous pressure drop: 180 bar
  • Maximum intermittent pressure drop: 210 bar
  • Peak pressure drop: 240 bar
  • Maximum continuous flow: approx. 125 L/min
  • Control type: Fixed-displacement Geroler disc valve, wheel mount (OMTW)
  • Weight: approx. 23.0–25.5 kg

(Note: Data from official Danfoss technical literature. Intermittent operation limited to max. 10% of each minute. Exact shaft, flange, and port configurations depend on the full model code.)

Key Technical Advantages

• Precision Geroler gear set and disc valve structure deliver high volumetric efficiency and smooth low-speed operation with consistent performance over the motor’s service life.
• High starting torque and excellent side-load capacity ideal for heavy-load starting and wheel-drive applications.
• Robust bearings and high-pressure shaft seal design support elevated return pressure for extended service life.
• Full drop-in interchangeability with genuine Danfoss units plus 100% simulated duty-cycle testing ensure reliable high-pressure, high-flow performance while reducing maintenance costs.

Application Areas

Agricultural machinery (harvesters, spreaders), construction equipment wheel drives, forestry machinery, conveyor and lifting systems, skid-steer attachments, port and material handling equipment.

Expert Maintenance Tips

Verify system cleanliness and oil viscosity before installation. Ramp pressure gradually on start-up to avoid dry running. Periodically inspect shaft seals and bearings. Prefer genuine or verified interchangeable units for replacement to ensure exact flange and port match. Observe intermittent duty time limits and maintain proper oil cleanliness to maximize service life.