Overview
The Muir-Hill 161 is a 4WD farm tractor produced in Manchester, England, between 1969 and 1975. It is equipped with a Perkins 8.4L 8-cylinder diesel engine rated at 185 hp and a 10-speed Fuller RT 610 gear transmission. This model features a 12,000 lb operating weight and equal-sized 23.1/18x26 tires on both the front and rear axles.
Ideal Applications
Engine and Power Output:
The Perkins V8.510 diesel engine is rated at 185 hp at 2500 RPM and produces a maximum torque of 390 lb-ft at 1500 RPM.
Transmission and Drivetrain Layout:
The 4x4 drive system utilizes a Fuller RT 610 transmission with 10 forward and 2 reverse gears to manage power distribution.
Hydraulic and Hitch Specifications:
The tractor is configured with an open center hydraulic system providing a 25 gpm pump flow, two valves, and a Category III rear hitch.
Production
| Description | Built in Manchester, England |
|---|---|
| Drive type | Four-wheel Drive (4WD) tractor |
| Manufacturer | Muir-Hill |
Engine
| Engine type | Perkins 8.4L 8-cyl diesel |
|---|---|
| Fuel tank | 77 gal (291.4 L) |
| Bore/Stroke | 4.25x4.50 inches (108 x 114 mm) |
| Compression | 16.5:1 |
| Description | Perkins V8.510 / diesel / 8-cylinder / liquid-cooled V-8 |
| Displacement | 510 ci (8.4 L) |
| Power | 185 hp (138.0 kW) |
| Rated RPM | 2500 |
| Starter type | electric |
| Torque | 390 lb-ft (528.8 Nm) |
| Torque RPM | 1500 |
| PTO (claimed) | 135 hp (100.7 kW) |
Transmission
| Gears | 10 forward and 2 reverse |
|---|---|
| Transmission | Fuller RT 610 |
| Transmission type | 10-speed gear |
| Type | gear |
Mechanical
| Cab | Cab standard. Air-conditioning optional. |
|---|---|
| Drive | 4x4 4WD |
| Steering | power |
Hydraulics
| Pump flow | 25 gpm (94.6 lpm) |
|---|---|
| Type | open center |
| Valves | 2 |
Hitch
| Rear Type | III |
|---|
Dimensions & Tires
| Front tread | 74 inches (187 cm) |
|---|---|
| Height (cab) | 114 inches (289 cm) |
| Height (hood) | 88 inches (223 cm) |
| Length | 165.1 inches (419 cm) |
| Rear tread | 74 inches (187 cm) |
| Weight | 12000 lbs (5443 kg) |
| Wheelbase | 78 inches (198 cm) |
| Width | 97.5 inches (247 cm) |
| Front tire | 23.1/18x26 |
| Rear tire | 23.1/18x26 |
| Weight | 12000 lbs (5443 kg) |
| Wheelbase | 78 inches (198 cm) |
| Ag front | 23.1/18x26 |
| Ag rear | 23.1/18x26 |