The Twin Disc HP500 hydraulic PTO is an oil-filled, multiple disc, hydraulically-actuated self-adjusting clutch. The HP500 has been developed with a number of unique features that offer reliability, productivity and power. The HP500 has been designed for a wide range of heavy-duty applications including crushers, grinders, mulchers, dredgers, heavy-duty drills and many others. Contact us today for further support whether it's for parts, service, or a complete replacement unit.
Twin Disc HP500 Product Features:
- Hydraulically actuated and self-adjusting wet clutch
- Suitable for in-line and side-load applications
- Advanced control system for smooth engagement
- Remote actuation via J1939 or switch input
- No pilot bearing
- High side load capability
- Maximum power rating 500 HP @ 1800 rpm
- Optional single tower (2-pads) or two tower (4-pads) auxiliary drive
- 400 HP maximum capacity per tower
- 450 HP maximum capacity for both towers
- Available pump pads:
- SAE “A” • SAE “B” • SAE “C” • SAE “D” • SAE “E”
- Pump tower rotatable by 0°/45°/90° CW/CCW
- 1:1 standard with optional 0.83:1 & 0.77:1 speed increase on pump tower
- SAE #1, SAE #2 & SAE #3 input housing
- SAE 355 (14”), SAE 290 (11.5”) & SAE 255 (10”) input coupling
Twin Disc HP500 Product Specs
| Model | HP500D | HP500S |
| Maximum Power Rating @ 1200 RPM | 333 HP (248 kW) | 333 HP (248 kW) |
| Maximum Power Rating @ 1800 RPM | 500 HP (373 kW) | 500 HP (373 kW) |
| Maximum Power Rating @ 2200 RPM | 611 HP (456 kW) | 611 HP (456 kW) |
| Maximum Speed (RPM) | 2300 | 2300 |
| Pump Tower Capacity - 1 Tower (2 Pads) | 400 HP (298 kW) | 400 HP (298 kW) |
| Pump Tower Capacity - 2 Towers (4 Pads) | 450 HP (336 kW) | 450 HP (336 kW) |
| Weight - kg (lbs) | 536 kg (1181 lbs) | 434 kg (956 lbs) |
- Authorized Distributor
- Genuine Parts
- Service and Support
Common HP500 Model & BOM Numbers: HP500P1, S1041026, S1041027, S1041028, S1041029, S1041030, S1031832, S1031833, S1035612, S1037941, S1040369
Authorized Distributor
Palmer Johnson is an authorized distributor and service provider for Twin Disc products.
Service and Support
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