Challenger MT665B VS Muir-Hill 121 specs comparison

Challenger MT665B

General Infos

Make	Challenger
Model	MT665B
Country	United states
Production	From 2005  Until 2008
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Challenger MT665B Manual

Dimensions, sizes and tires

AG front tires	380/85R34
AG rear tires	480/80R46
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	19,550 lbs or 8867 kg
Length	206 inches [523 cm]
Width	118 inches [299 cm]
Height	123.6 inches [313 cm]
Wheelbase	121.1 inches [307 cm]
Ground clearance	22.4 inches [56 cm]
Turning radius	-
Rear tread size	60 to 88 inches
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	513 ci or 8.4 L
Cylinders	6 cylinders 24 valves
Engine power	290 hp or 216.3 kW
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	electronic direct injection
Fuel tank size	159 gal or 601.8 L
Oil capacity	20 qts or 18.9 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Challenger MT665B Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	775
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	150 amps

Clutch and gearbox specs

Trans system	TechStar
Trans type	power shift
Trans gears	18 forward and 9 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	inboard planetary
Steering	power
Braking system	hydraulic wet disc
Cabin type	Cab standard with heat and A/C
Differentiel lock	electrohydraulic front and rear

Hydraulics specifications

System	pressure flow compensated
Valves	4 to 6
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	26.4 gal or 99.9 L
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	39 gpm or 147.6 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	231.2 hp or 172.4 kW
Fuel consumption	-
Pulling power	27,071 lbs or 12279 kg

Power take-off (PTO) specs

Claimed power	240 hp or 179.0 kW
Real power	265.89 hp or 198.3 kW
Engine @RPM	540@2037 (rpm)
PTO Clutch	electro-hydraulic wet disc
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	14.7 gal/hour or 55.6 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III
Rear hitch lift	15,600 lbs or 7076 kg
Front hitch	II
Front hitch lift	7,700 lbs or 3492 kg

Muir-Hill 121

General Infos

Make	Muir-Hill
Model	121
Country	England
Production	From 1972  Until 1983
Price	-
Tractor type	Four wheel Drive (4WD) tractor
Fuel	diesel
Service repair manual	Muir-Hill 121 Manual

Dimensions, sizes and tires

AG front tires	13.6/12x38
AG rear tires	13.6/12x38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	10700 lbs or 4853 kg
Length	156 inches [396 cm]
Width	82 inches [208 cm]
Height	-
Wheelbase	75 inches [190 cm]
Ground clearance	-
Turning radius	-
Rear tread size	64 to 80 inches
Front tread size	64 to 80 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	380 ci or 6.2 L
Cylinders	6 cylinders
Engine power	120 hp or 89.5 kW
Engine RPM	2500 (rpm)
Torque	280 lb-ft or 379.7 Nm
Torque RPM	1600 (rpm)
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	48 gal or 181.7 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Muir-Hill 121 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	128 amps
Cold Amps	-
Ground force	-
Charging system	alternator
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	gear
Trans gears	8 forward and 2 reverse
Clutch system	355.6mm dry disc

Cabine and mechanical specs

Wheel drive	4x4 4WD
Final drive	planetary
Steering	power
Braking system	hydraulic wet disc
Cabin type	Cab standard
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	-
Pump flow	11 gpm or 41.6 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2600 psi or 179.3 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	90 hp or 67.1 kW
Real power	-
Engine @RPM	540@1750 (rpm)
PTO Clutch	hydraulic wet disc
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	position and draft control
Rear hitch	II
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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