| Manufacturer | Muir-Hill |
| Price | - |
| Model | 121 |
| Equipment Type | Four-wheel Drive 4WD Tractors |
| Factory | Manchester, England |
MUIR-HILL 121 POWER
| Engine | 120 hp/89.5 kW |
| PTO (claimed) | 70 hp/52.2 kW |
ENGINE DETAIL
The Muir-Hill 121 features a robust Ford 2715E diesel engine with a 6.2 L displacement, providing a notable power output of 120 hp at 2500 RPM and peak torque of 280 lb-ft at a lower 1600 RPM, making it well-suited for heavy-duty applications. The direct injection fuel system and 16:1 compression ratio contribute to improved fuel efficiency and reduced emissions, albeit potentially leading to increased maintenance requirements. This tractor's design is advantageous for agricultural tasks that require substantial pulling power, but its weight and size may challenge maneuverability in tight spaces.
| Description | Ford 2715E/diesel/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 |
MUIR-HILL 121 ENGINE
The Muir-Hill 121 features a robust Ford 6.2L 6-cylinder diesel engine, offering substantial torque for heavy-duty tasks. With a 48-gallon fuel tank, it ensures extended operational time, making it suitable for long-duration projects without frequent refueling. However, its size may limit maneuverability in confined spaces, so consider this for tasks that require agility.
| Description | Ford 6.2L 6-cyl diesel |
| Fuel tank | 48 gal/181.7 L |
TRANSMISSION
The Muir-Hill 121 tractor features an 8-speed forward and 2-speed reverse gear configuration, providing versatility in various agricultural tasks. The 355.6mm dry disc clutch ensures effective power transfer, although it may require more frequent maintenance compared to an oil-immersed system. This setup is advantageous for operators needing precise control in field operations but could pose challenges in terms of operator fatigue during prolonged use.
| Type | gear |
| Gears | 8 forward and 2 reverse |
| Clutch | 355.6mm dry disc |
MECHANICAL
The Muir-Hill 121 features a robust 4x4 drivetrain coupled with planetary final drives, enhancing its off-road capabilities and providing smoother power delivery in challenging terrains. Its hydraulic wet disc brakes offer superior stopping power and reduced maintenance compared to traditional systems, while the 8-speed transmission facilitates efficient speed management for varying field tasks. The standard cab ensures operator comfort but may lack advanced ergonomic design seen in newer models, which could impact long-term operator satisfaction during extended use.
| Chassis | 4x4 4WD |
| Final drives | planetary |
| Steering | power |
| Brakes | hydraulic wet disc |
| Cab | Cab standard. |
| Transmission | 8-speed gear |
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 RPM | 540 (1.375)/1000 (1.375) |
| Engine RPM | 540@1750 |
MUIR-HILL 121 TIRES
The Muir-Hill 121 tractor features a dual 13.6/12x38 tire configuration, enhancing traction and stability on diverse terrains. This setup is advantageous for heavy-duty agricultural tasks, but the wide tire profile may challenge maneuverability in tight spaces. Ideal for farming operations requiring robust performance, its design may need to be paired with compatible implements for optimal efficiency.
| 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 |
DIMENSIONS & TIRES
The Muir-Hill 121 tractor features a compact wheelbase of 75 inches, which enhances maneuverability in tight spaces, making it suitable for tasks in smaller fields or farms. Weighing 10,700 lbs contributes to stability during heavy-duty operations, though it may limit transportability without adequate towing equipment. The uniform front and rear tire specifications (13.6/12x38) facilitate balanced traction, but may restrict optimization for specific soil conditions or terrain types.
| Wheelbase | 75 inches/190 cm |
| Weight | 10700 lbs/4853 kg |
| Front tire | 13.6/12x38 |
| Rear tire | 13.6/12x38 |
ELECTRICAL
| Charging system | alternator |
| Battery volts | 12 |
| Battery AH | 128 |