119-1029-003 Char-Lynn 10000 Series Orbit Motor 480cc

Product Overview

The 119-1029-003 (and related codes 119-1107-003, 119-1033-003, M1029A01A0000C) belongs to the Eaton Char-Lynn (now Danfoss) 10000 Series heavy-duty disc-valve low-speed high-torque (LSHT) orbital hydraulic motors. Featuring a Geroler gear set with an independently driven disc valve, these motors are engineered for high-torque, high-flow, and medium-to-heavy-duty applications. They deliver excellent radial load capacity, high starting torque, smooth low-speed operation, and low pressure drop. Fully interchangeable with original Char-Lynn / Danfoss 10000 Series units, they are validated under simulated operating conditions for reliable performance in construction, agricultural, and industrial drive systems.

Technical Specifications

• Model: 119-1029-003 (Char-Lynn / Danfoss 10000 Series, model code M10293AA01AA01000000000000000C)
• Geometric Displacement: 479.5 cm³/rev (29.26 in³/rev)
• Maximum Continuous Speed: approx. 354 rpm (at continuous flow)
• Maximum Intermittent Speed: approx. 552 rpm
• Maximum Continuous Torque: approx. 1475 Nm
• Maximum Intermittent Torque: approx. 1965 Nm
• Maximum Continuous Pressure Drop: 205 bar (approx. 3000 psi)
• Maximum Intermittent Pressure Drop: 275 bar (approx. 4000 psi)
• Maximum Continuous Oil Flow: 170 L/min (45 gpm)
• Maximum Intermittent Oil Flow: 265 L/min (70 gpm)
• Control Type: Disc-valve-driven Geroler orbital motor
• Mounting Flange: Standard 4-bolt square, 127.0 mm pilot diameter, 161.9 mm bolt circle
• Output Shaft: 2.25 inch (57.15 mm) straight with key (1/2 × 2.5 inch square key)
• Ports: 1.3125-12 UN-2B SAE O-ring staggered side ports
• Case Drain: 0.5625-18 UNF-2B SAE O-ring
• Bearings: Tapered roller bearings (front and rear)
• Approximate Weight: 44–45 kg
• Related Models: 119-1107-003, 119-1033-003, etc. (different displacements or configurations)

Key Technical Advantages:

1. Independently driven disc valve design minimizes internal leakage and pressure losses, maintaining high volumetric and mechanical efficiency even at elevated flow rates.
2. Front and rear tapered roller bearings provide superior radial load capacity, ideal for direct chain, sprocket, or wheel-hub drives under static and dynamic loads.
3. Geroler orbital gear set ensures high starting torque and smooth operation across the full speed range, well-suited for frequent start-stop and low-speed high-load duty.
4. Robust cast-iron housing combined with precision machining delivers high rigidity and pressure resistance for continuous and intermittent high-pressure operation.
5. Modular configuration options (shaft, flange, ports) facilitate system integration and full drop-in interchangeability, reducing downtime and replacement costs.

Application Areas

Construction machinery (excavators, loaders for drive or swing functions), agricultural equipment, drilling and boring machines, material handling and lifting systems, winches and hoists, industrial stationary drives, and other heavy-duty hydraulic systems requiring high torque at low to medium speeds.

Expert Maintenance Tips

Ensure precise flange alignment and respect radial load limits during installation. Use anti-wear hydraulic oil meeting ISO cleanliness code 18/13 and maintain appropriate operating temperature. Fully bleed the system and run at light load for initial break-in. Regularly inspect the shaft seal, case drain, and fluid condition. Intermittent and peak pressure ratings are for short-duration use only (intermittent max 10% of each minute; peak max 1%). In case of unusual noise, vibration, or torque loss, first check system contamination, fluid condition, and bearing status. Use genuine Char-Lynn / Danfoss seal kits for service to preserve original performance.