PT Tech PTT-477 Series Gearbox/Brake Combination
| Name | Gear Ration | Parking Brake Torque | Service Brake Torque at 1300 | Min. Parking Brake Release Pressure | Max. Parking Brake Release Pressure | Horsepower at 1500 RPM |
|---|---|---|---|---|---|---|
| PTT-477A-0 | 3.35:1 | 3,710 lb/ft | 2,222 lb/ft | 1,000 psi | 1,500 psi | 75 hp |
| PTT-477B-0 | 4.56:1 | 5,050 lb/ft | 3,025 lb/ft | 1,000 psi | 1,500 psi | 75 hp |
| PTT-477C-0 | 5.81:1 | 6,435 lb/ft | 3,025 lb/ft | 1,000 psi | 1,500 psi | 75 hp |
- Scoops
- Shield Haulers
- Enclosed Wet Brake on Intermediate Shaft
- Eliminates alignment and leaky seal issues
- Excellent thermal capacity
- Allows for flow through cooling
- Same brake regardless of gearbox ratio
- Bigger shafts
- Brake maintenance is easy
- Improved housing for greater strength and rigiditys
- Retrofits Old Gearboxe
- Increased Durability
- Metalurgically stronger shaft material
- Same ratios
- Same mounting footprint