Muir-Hill 121
The Muir-Hill 121 is a tractor produced by Muir Hill. It is equipped with a 380 ci 6.2 L engine. The rated power output is 120 hp 89.5 kW. Transmission: 8 forward and 2 reverse. Drive type: 4x4 4WD. Operating weight: 10700 lbs 4853 kg.
Engine Power
120 hp
89.5 kW
Drive & Traction
4x4 4WD
Fuel & Capacities
48 gal
181.7 L
Transmission
8 forward and 2 reverse
Operating Weight
10700 lbs
4853 kg
Muir Hill Muir-Hill 121 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
![]() | 1972 - 1983
Four-wheel Drive (4WD) tractor |
|---|---|
1972 - 1983 | |
Four-wheel Drive (4WD) tractor | |
Production | |
|---|---|
Manufacturer | Muir-Hill |
Four-wheel Drive (4WD) tractor | |
Built in Manchester, England | |
Muir-Hill 121 Engine | |
|---|---|
Ford 6.2L 6-cyl diesel | |
Fuel tank | 48 gal
181.7 L |
Engine details ... | |
Muir-Hill 121 Transmission | |
|---|---|
8-speed gear | |
Transmission details ... |
Muir-Hill 121 Power | |
|---|---|
Engine | 120 hp
89.5 kW |
PTO (claimed) | 70 hp
52.2 kW |
Mechanical | |
|---|---|
Drive | 4x4 4WD |
Final drives | planetary |
Steering | power |
Hydraulic wet disc brakes | |
Cab standard. | |
Hydraulics | |
|---|---|
Type | open center |
Pressure | 2600 psi
179.3 bar |
Pump flow | 11 gpm
41.6 lpm |
Tractor hitch | |
|---|---|
Rear Type | II |
Control | position and draft control |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Clutch | hydraulic wet disc |
Rear PTO Type | 540 (1.375) |
1000 (1.375) | |
Engine RPM | 540@1750 |
Dimensions & Tires | |
|---|---|
Wheelbase | 75 inches
190 cm |
Weight | 10700 lbs
4853 kg |
Front tire | 13.6/12x38 |
Rear tire | 13.6/12x38 |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Charging system | alternator |
Battery volts | 12 |
Battery AH | 128 |
References | |
|---|---|
![]() | |
121 published in 1973, by Muir-Hill | |
121 published in 1980, by Muir-Hill |
Engine
Engine Detail — 380 ci / 6.2 L Diesel
Manufacturer | Ford 2715E |
Fuel Type | Diesel |
Configuration | 6-cylinder, liquid-cooled |
Displacement | 380 ci
6.2 L |
Bore/Stroke | 4.22x4.524 inches
107 x 115 mm |
Power | 120 hp
89.5 kW |
Fuel system | direct injection |
Compression | 16:1 |
Rated RPM | 2500 |
Torque | 280 lb-ft
379.7 Nm |
Torque RPM | 1600 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — 8 forward and 2 reverse gear
Type | gear |
Gears | 8 forward and 2 reverse |
Clutch | 355.6mm dry disc |
![]() | |
Dimensions
Muir-Hill 121 Tires | |
|---|---|
Ag front | 13.6/12x38 |
Ag rear | 13.6/12x38 |
Dimensions | |
|---|---|
Wheelbase | 75 inches
190 cm |
Length | 156 inches
396 cm |
Width | 82 inches
208 cm |
Weight | 10700 lbs
4853 kg |
Front tread | 64 to 80 inches
162 to 203 cm |
Rear tread | 64 to 80 inches
162 to 203 cm |
Photos
Related models
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Muir-Hill 171
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Muir-Hill 110
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