Overview
The Muir-Hill 121 is a 4WD farm tractor produced in Manchester, England, between 1972 and 1983. It features a 6.2L 6-cylinder Ford diesel engine rated at 120 hp and an 8-speed gear transmission providing 8 forward and 2 reverse gears.
Ideal Applications
Powertrain and Engine Performance:
The Ford 2715E liquid-cooled diesel engine is rated at 2500 RPM, producing 120 hp and 280 lb-ft of torque at 1600 RPM.
Chassis and Drivetrain Configuration:
This 10,700 lb tractor is equipped with equal-sized 13.6/12x38 tires on both the front and rear, operating on a 75-inch wheelbase with planetary final drives.
Hydraulic and Hitch Specifications:
The open center hydraulic system provides 11 gpm of pump flow at 2600 psi to support the Category II rear hitch featuring position and draft control.
Production
| Description | Built in Manchester, England |
|---|---|
| Drive type | Four-wheel Drive (4WD) tractor |
| Manufacturer | Muir-Hill |
Engine
| Engine type | Ford 6.2L 6-cyl diesel |
|---|---|
| Fuel tank | 48 gal (181.7 L) |
| Bore/Stroke | 4.22x4.524 inches (107 x 115 mm) |
| Compression | 16:1 |
| Description | Ford 2715E / diesel / 6-cylinder / liquid-cooled |
| Displacement | 380 ci (6.2 L) |
| Fuel system | direct injection |
| Power | 120 hp (89.5 kW) |
| Rated RPM | 2500 |
| Starter | electric |
| Starter volts | 12 |
| Torque | 280 lb-ft (379.7 Nm) |
| Torque RPM | 1600 |
| PTO (claimed) | 70 hp (52.2 kW) |
Transmission
| Clutch | 355.6mm dry disc |
|---|---|
| Gears | 8 forward and 2 reverse |
| Transmission type | 8-speed gear |
| Type | gear |
Mechanical
| Cab | Cab standard. |
|---|---|
| Description | Hydraulic wet disc brakes |
| Drive | 4x4 4WD |
| Final drives | planetary |
| Steering | power |
Hydraulics
| Pressure | 2600 psi (179.3 bar) |
|---|---|
| Pump flow | 11 gpm (41.6 lpm) |
| Type | open center |
Hitch
| Control | position and draft control |
|---|---|
| Rear Type | II |
PTO
| Clutch | hydraulic wet disc |
|---|---|
| Engine RPM | 540@1750 |
| Rear PTO | independent |
| Rear PTO Type | 540 (1.375) |
Electrical
| Battery AH | 128 |
|---|---|
| Battery volts | 12 |
| Charging system | alternator |
Dimensions & Tires
| Front tread | 64 to 80 inches (162 to 203 cm) |
|---|---|
| Length | 156 inches (396 cm) |
| Rear tread | 64 to 80 inches (162 to 203 cm) |
| Weight | 10700 lbs (4853 kg) |
| Wheelbase | 75 inches (190 cm) |
| Width | 82 inches (208 cm) |
| Front tire | 13.6/12x38 |
| Rear tire | 13.6/12x38 |
| Weight | 10700 lbs (4853 kg) |
| Wheelbase | 75 inches (190 cm) |
| Ag front | 13.6/12x38 |
| Ag rear | 13.6/12x38 |
References
| Description | 121 published in 1973, by Muir-Hill / 121 published in 1980, by Muir-Hill |
|---|