Muir-Hill 121 Technical specs


Make Muir-Hill
Model 121
Company country England
Production years From 1972  Until 1983
Tractor type Four wheel Drive (4WD) tractor
Fuel diesel
Price -
Total build -
Service repair manual Muir-Hill 121 Manual
AG front tires 13.6/12x38
AG rear tires 13.6/12x38
Weight 10700 lbs or 4853 kg
Length 156 inches [396 cm]
Width 82 inches [208 cm]
Height -
Wheelbase 75 inches [190 cm]
Ground clearance -
Rear tread size 64 to 80 inches
Front tread size 64 to 80 inches
Engine size 380 ci or 6.2 L
Number of cylinders 6 cylinders
Horsepower 120 hp or 89.5 kW
Power RPM 2500 (rpm)
Engine torque 280 lb-ft or 379.7 Nm
Engine torque RPM 1600 (rpm)
Fuel type diesel
Fuel injection system direct injection
Fuel tank capacity 48 gal or 181.7 L
Compression ratio 16:1
Bore stroke 4.22x4.524 inches or (107 x 115 mm)
Number of batteries -
Battery voltage 12 V
Battery Amps 128 amps
Electric ground force -
Electric charging system alternator
Starter motor electric
Engine starter volts 12 V
Parts And Accessories Muir-Hill 121 Parts
Transmission type gear
Transmission gears 8 forward and 2 reverse
Clutch system 355.6mm dry disc
Wheel drive 4x4 4WD
Final drive system planetary
Steering system power
Braking system hydraulic wet disc
Cabin type Cab standard
Hydraulic system open center
Pump flow rate 11 gpm or 41.6 lpm
Hydraulic pressure 2600 psi or 179.3 bar
PTO claimed power 90 hp or 67.1 kW
PTO engine @RPM 540@1750 (rpm)
PTO clutch system hydraulic wet disc
Rear PTO system independent
Rear PTO RPM 540 (rpm)
Front PTO system -
PTO fuel consumption -
Hitch control system position and draft control
Rear hitch II
Rear hitch lift -



Detailed review of Muir-Hill 121

Muir-Hill produced its 121 farm tractor model From 1972  Until 1983 in England with a Cab standard cabin.
Talking dimensions and weight, this model weighs 10700 lbs or 4853 kg has 82 inches [208 cm] of width, 156 inches [396 cm] of length while maintaining a wheelbase of 75 inches [190 cm] the front tread is about 64 to 80 inches while the rear tread is 64 to 80 inches .
This tractor can fit ag tires of 13.6/12x38 front and 13.6/12x38 back .
This Muir-Hill 121 is powerd by a diesel engine it has 380 ci or 6.2 L 6 cylinders ,it can produce 120 hp or 89.5 kW at 2500 (rpm), and has a torque of 280 lb-ft or 379.7 Nm at 1600 (rpm) the fuel tank capacity is 48 gal or 181.7 L.
This machine has 4x4 4WD wheel drive system,8 forward and 2 reverse transmission system.

- Muir-Hill provided us with the latest version of its 121 service repair manual
- Find All mechanical and electrical parts and accessories of Muir-Hill 121 farm-tractor here