530750A5130ZAAAA Danfoss 530 Series 750cc Wheel Motor 24MPa

530750A5130ZAAAA 

Product Overview

The 530750A5130ZAAAA is a large-displacement wheel-drive orbital hydraulic motor in the Danfoss/White Drive 530 Series (RE 530), engineered for heavy-duty vehicle propulsion applications. Featuring a roller stator-rotor set (Geroler) with a balance plate design, the motor achieves high volumetric efficiency at start-up as pressure flexes the balance plate toward the rotor, then relaxes at operating pressure to allow free rotor rotation and higher mechanical efficiency.

Torque is transmitted to the output shaft through the most durable drive link in its class. The output is supported by needle roller bearings, and the motor features a tapered shaft (1:8 taper) with a 4-bolt wheel-mounting flange and FPM (Viton) high-pressure shaft seal, purpose-built for wheel drive and heavy-duty travel mechanisms.

Designed as a 100% drop-in replacement for White Drive 500/530 series and Parker TG series motors, the 530750A5130ZAAAA matches mounting dimensions, shaft specifications, and port configurations exactly — no system modification required. Every unit undergoes 100% simulated load testing before shipment.

Technical Specifications (Bulleted List)

• Model: 530750A5130ZAAAA

• Series: Danfoss/White Drive 530 Series (RE 530)

• Displacement: 750 ml/r (geometric displacement 745 cm³/rev)

• Max Continuous Speed: 100 rpm

• Max Intermittent Speed: 120 rpm

• Max Continuous Torque: 1050 N·m

• Max Intermittent Torque: 1180 N·m

• Max Peak Torque: 1370 N·m

• Max Continuous Pressure Differential: 10.5 MPa

• Max Intermittent Pressure Differential: 24 MPa

• Max Continuous Output Power: 8.0 kW

• Max Intermittent Output Power: 10.0 kW

• Control Type: Face distribution (disc valve) with balance plate automatic clearance compensation

• Bearing Type: Needle roller bearing

• Mounting Flange: 4-bolt wheel mounting, pilot Ø82.5×2.9 mm, bolt circle Ø147.6 mm

• Shaft Type: Tapered shaft (1:8 taper), Ø1-1/2 inch, key 8×7×31.5 mm

• Port Size: G 1/2 side ported

• Shaft Seal: FPM (Viton) high-pressure

• Rotation: Standard (bi-directional)

• Weight: Approx. 17.05 kg

Key Technical Advantages

1. Balance Plate Adaptive Clearance Compensation

The 530750A5130ZAAAA features a unique balance plate design: during start-up, pressure flexes the plate toward the rotor for vastly improved volumetric efficiency. As the motor reaches operating pressure, the plate relaxes, allowing free rotor rotation and higher mechanical efficiency. This adaptive mechanism delivers both high starting torque and high running efficiency under low-speed, heavy-load conditions.

2. Most Durable Drive Link in Its Class

Torque is transmitted to the output shaft through the most durable drive link in its class, ensuring transmission reliability at 750cc displacement. The drive link design withstands impact loads from frequent start-stop and reversing cycles.

3. Tapered Shaft Wheel-Mounting Design

The 1:8 tapered shaft with 4-bolt wheel-mounting flange is optimized for wheel drive applications. The tapered shaft-hub fit ensures high concentricity and eliminates key connection backlash, ideal for frequent reversing travel-drive conditions.

4. FPM High-Pressure Shaft Seal & Needle Roller Bearing System

The FPM (Viton) high-pressure shaft seal provides temperature and wear resistance, enabling reliable operation under elevated return-line back pressure. Needle roller bearings at the output provide high radial load capacity, allowing direct wheel or sprocket drive without external support.

5. 100% Simulated Load Testing

Every 530750A5130ZAAAA is validated on a 100% simulated load test bench before shipment. Testing protocols cover continuous operation at rated pressure, cyclic intermittent pressure loading, peak torque output, and internal leakage measurement.

Application Areas

• Construction Machinery: Skid steer loader wheel drive, compact loader travel drive

• Agricultural Machinery: Combine harvester travel drive, tractor auxiliary drive wheel, silage harvester drive

• Municipal Equipment: Road sweeper travel drive, snow removal equipment drive wheel

• Material Handling: Forklift drive wheel, wheeled excavator travel motor

• Specialty Vehicles: Aerial work platform travel drive, forestry machinery travel drive

Expert Maintenance Tips

Pre-Installation Checklist: Verify system oil cleanliness meets ISO 18/13. Use a return filter rated at 10 μm or finer. Clean the shaft taper and hub taper before installation — ensure no oil contamination or burrs. Ensure the hub taper seats tightly against the shaft taper. Tighten the lock nut to specified torque to prevent taper fit loosening.

Case Drain Configuration: When system back pressure exceeds the shaft seal rating, connect an external drain line. The drain line should remain unobstructed with the outlet submerged below reservoir oil level. Install a restrictor to maintain at least 3.5 bar case pressure, preventing air ingestion.

Break-In Procedure: Before full-load operation, run new motors at no more than 30% of continuous ratings for at least 30 minutes. This allows the stator-rotor pair, balance plate, and bearings to achieve optimal mating surfaces.

Fluid Management: Use 68# anti-wear hydraulic oil with working viscosity maintained at 37–73 cSt. Normal operating oil temperature should be 20–60°C. Replace hydraulic fluid and clean filters immediately when contamination exceeds ISO 19/16.

Long-Term Storage: For storage exceeding 3 months, fill the motor interior with clean hydraulic oil and plug all ports. Before recommissioning, manually rotate the shaft to confirm free movement without binding.

Supplementary Model: 530470T3831AAAAA

Product Overview

The 530470T3831AAAAA is a medium-displacement wheel-drive orbital hydraulic motor in the Danfoss/White Drive 530 Series (RC 530). Its equivalent model is BMER-3-475-WD-T31-R-B with a displacement of 475 ml/r, designed specifically for compact wheeled loaders such as the MultiOne SL40DT. The motor shares the 530 series’ core technology platform including the balance plate adaptive clearance compensation, roller stator-rotor set, and face distribution structure.

The 530470T3831AAAAA is a 100% drop-in replacement for White Drive 530 Series RC 470 models, featuring a tapered shaft and 4-bolt wheel-mounting flange for space-constrained compact travel-drive systems.

Technical Specifications (Bulleted List)

• Model: 530470T3831AAAAA

• Equivalent Model: BMER-3-475-WD-T31-R-B

• Series: Danfoss/White Drive 530 Series (RC 530)

• Displacement: 475 ml/r (geometric displacement 462 cm³/rev)

• Max Continuous Speed: 160 rpm

• Max Intermittent Speed: 195 rpm

• Max Continuous Torque: 1085 N·m

• Max Intermittent Torque: 1180 N·m

• Max Continuous Pressure Differential: 17.5 MPa

• Max Intermittent Pressure Differential: 19 MPa

• Control Type: Face distribution (disc valve) with balance plate automatic clearance compensation

• Mounting Flange: 4-bolt wheel mounting, pilot Ø82.5×2.9 mm

• Shaft Type: Tapered shaft (1:8 taper), Ø1-1/2 inch

• Port Size: G 1/2 side ported

• Shaft Seal: FPM (Viton) high-pressure

• Weight: Approx. 17.05 kg

Key Technical Advantages

The 530470T3831AAAAA shares the 530 Series core technology platform with the 530750A5130ZAAAA: balance plate adaptive clearance compensation, most durable drive link in its class, tapered shaft wheel-mounting design, FPM high-pressure shaft seal, and 100% simulated load testing. Its 475 ml/r displacement offers an optimal balance between torque output and installation footprint, particularly suited for compact wheel loader wheel drive.

Application Areas

• Compact Wheel Loaders: MultiOne SL40DT and similar compact multi-function loader wheel drive

• Agricultural Machinery: Small tractor travel drive, mower drive wheel

• Municipal Equipment: Small sweeper, snow removal equipment drive wheel