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.
Genuine Parts
Thousands of parts ready to ship in as little as two hours from our store at shop.pjpower.com.
Service and Support
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