Muir-Hill 111
Power
110 hp
Production
1972-1983
Engine
Diesel, 6-cylinder
Transmission
Gear
Weight
10700 lbs [4853 kg]
Drive
4WD
From the same series:
Introduction
Muir-Hill 111 Agricultural Tractor
The Muir-Hill 111 is a four-wheel drive agricultural tractor manufactured in Manchester, England, between 1972 and 1983. Designed for heavy-duty field operations, this machine belongs to the 121 series and is recognized for its robust construction and mechanical reliability.
Engine and Performance
The tractor is powered by a Perkins 6.354 liquid-cooled diesel engine. This 6-cylinder powerplant features direct fuel injection, a 5.8-liter displacement, and a compression ratio of 16:1. It delivers 110 hp (82.0 kW) at a rated speed of 2500 RPM, with a peak torque of 272 lb-ft (368.8 Nm) achieved at 1400 RPM.
Transmission and Drivetrain
The drivetrain utilizes a gear-type transmission providing 8 forward and 2 reverse speeds, equipped with a 355.6mm dry disc clutch. The tractor features a 4x4 all-wheel drive system with planetary final drives to distribute power effectively to the wheels. Steering is assisted by a power steering system for improved operator control.
Hydraulics and PTO
The hydraulic system is of the open-center type, operating at a pressure of 2600 psi (179.3 bar) with a pump flow capacity of 11 gpm (41.6 lpm). The rear PTO is independent, utilizing a hydraulic wet disc clutch, and offers both 540 and 1000 RPM speeds. The rear hitch is a Category II system featuring both position and draft control for precise implement management.
Dimensions and Chassis
The Muir-Hill 111 has a wheelbase of 75 inches (190 cm) and a total length of 156 inches (396 cm). It weighs 10700 lbs (4853 kg), providing significant stability for traction tasks. The front and rear treads are adjustable between 64 and 80 inches (162 to 203 cm). The machine is equipped with hydraulic wet disc brakes for reliable stopping power and comes standard with an enclosed cab.
Conclusion
The Muir-Hill 111 is a heavy-duty, 4WD tractor engineered for demanding agricultural environments. Its combination of a high-torque Perkins engine, robust transmission, and versatile hydraulic system makes it suitable for intensive cultivation and draft work. It remains a notable example of British tractor manufacturing from the 1970s and early 1980s.
Production Information of Muir-Hill, 111
- Four-wheel Drive (4WD) tractor
- Built in Manchester, England
| Manufacturer | Muir-Hill |
|---|
Dimension and Tires Information of Muir-Hill, 111
| Wheelbase | 75 inches [190 cm] |
|---|---|
| Front tread | 64 to 80 inches [162 to 203 cm] |
| Weight | 10700 lbs [4853 kg] |
| Length | 156 inches [396 cm] |
| Rear tread | 64 to 80 inches [162 to 203 cm] |
| Width | 82 inches [208 cm] |
| Ag front | 13.6/12x38 |
|---|---|
| Ag rear | 13.6/12x38 |
Engine Specifications of Muir-Hill, 111
- Perkins 6.354
- Liquid-cooled
- Diesel
- 6-cylinder
| Torque | 272 lb-ft [368.8 Nm] |
|---|---|
| Displacement | 354 ci [5.8 L] |
| Fuel system | Direct injection |
| Bore/Stroke | 3.875x5.00 inches [98 x 127 mm] |
| Starter type | Electric |
| Torque RPM | 1400 |
| Rated RPM | 2500 |
| Compression | 16:1 |
| Power | 110 hp [82.0 kW] |
Transmission Information of Muir-Hill, 111
Transmission variants 1
| Type | Gear |
|---|---|
| Gears | 8 forward and 2 reverse |
| Clutch | 355.6mm dry disc |
Mechanical Specs of Muir-Hill, 111
- Cab standard.
- Hydraulic wet disc brakes
| Drive | 4x4 4WD |
|---|---|
| Final drives | Planetary |
| Steering | Power |
Power Information of Muir-Hill, 111
| Rear PTO | Independent |
|---|---|
| Engine RPM | 540@1750 |
| Engine RPM(optional) | 1000 (1.375) |
| Clutch | Hydraulic wet disc |
| Rear PTO Type | 540 (1.375) |
Hydraulics Specifications of Muir-Hill, 111
| Type | Open center |
|---|---|
| Pressure | 2600 psi [179.3 bar] |
| Pump flow | 11 gpm [41.6 lpm] |
Three-Point Hitch of Muir-Hill, 111
| Rear Type | II |
|---|---|
| Control | Position and draft control |
Where it sits
With 110 HP, the Muir-Hill 111 sits just below 121 (120 HP) in Muir-Hill's range. Its power puts it in the 72th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the Muir-Hill 111 have?
The Muir-Hill 111 delivers 110 HP.
What years was the Muir-Hill 111 produced?
The Muir-Hill 111 was produced in 1972-1983.
What engine does the Muir-Hill 111 have?
The Muir-Hill 111 is powered by a Diesel, 6-cylinder engine.
What transmission does the Muir-Hill 111 use?
The Muir-Hill 111 uses a Gear transmission.
How much does the Muir-Hill 111 weigh?
The Muir-Hill 111 weighs 10700 lbs [4853 kg].
Is the Muir-Hill 111 4WD?
The Muir-Hill 111 is available in 4WD.