Challenger MT845 VS Massey-Harris 81 specs comparison

Challenger MT845

General Infos

Make	Challenger
Model	MT845
Country	United states
Production	From 2002  Until 2004
Price	-
Tractor type	Agricultural Crawler tractor
Fuel	diesel
Service repair manual	Challenger MT845 Manual

Dimensions, sizes and tires

AG front tires	18-inch track
AG rear tires	18-inch track
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	40000 lbs or 18144 kg
Length	265.9 inches [675 cm]
Width	142.1 inches [360 cm]
Height	138.1 inches [350 cm]
Wheelbase	118.1 inches [299 cm]
Ground clearance	18.7 inches [47 cm]
Turning radius	-
Rear tread size	90 to 128 inches
Front tread size	90 to 128 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	729 ci or 11.9 L
Cylinders	6 cylinders
Engine power	380 hp or 283.4 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	305 gal or 1154.4 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Challenger MT845 Parts

Electrical and battery specs

Batteries number	3
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	160 amps

Clutch and gearbox specs

Trans system	Caterpillar
Trans type	full power shift
Trans gears	16 forward and 4 reverse
Clutch system	hydraulic wet disc

Cabine and mechanical specs

Wheel drive	crawler
Final drive	-
Steering	power
Braking system	hydraulic wet disc
Cabin type	Cab standard with air-conditioning
Differentiel lock	-

Hydraulics specifications

System	closed center load sensing
Valves	4 to 6
Pump flow	43.5 gpm or 164.6 lpm
SVC flow	30 gpm or 113.6 lpm
Steering flow	-
Tank capacity	70 gal or 264.9 L
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	297.93 hp or 222.2 kW
Fuel consumption	19.0 gal/hour or 71.9 l/hour
Pulling power	38250 lbs or 17350 kg

Power take-off (PTO) specs

Claimed power	313 hp or 233.4 kW
Real power	365.34 hp or 272.4 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	19.4 gal/hour or 73.4 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	IVN
Rear hitch lift	19500 lbs or 8845 kg
Front hitch	-
Front hitch lift	-

Massey-Harris 81

General Infos

Make	Massey-Harris
Model	81
Country	United states
Production	From 1941  Until 1946
Price	1,121  USD
Tractor type	Row Crop tractor
Fuel	gasoline
Service repair manual	Massey-Harris 81 Manual

Dimensions, sizes and tires

AG front tires	4.00x15
AG rear tires	9.00x32
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	2,895 lbs or 1313 kg
Length	119 inches [302 cm]
Width	-
Height	58 inches [147 cm]
Wheelbase	-
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	123.7 ci or 2.0 L
Cylinders	4 cylinders
Engine power	-
Engine RPM	1500 (rpm)
Torque	-
Torque RPM	-
Fuel type	gasoline
Fuel injection	Marvel-Schebler TSX-28 carburetor
Fuel tank size	12 gal or 45.4 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	6 V
Parts And Accessories	Massey-Harris 81 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	6 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	unsynchronized gear
Trans gears	4 forward and 1 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual
Braking system	-
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	16 hp or 11.9 kW
Drawbar horsepower	20.79 hp or 15.5 kW
Fuel consumption	-
Pulling power	2,898 lbs or 1314 kg

Power take-off (PTO) specs

Claimed power	26 hp or 19.4 kW
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	-
Rear PTO RPM	-
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	-
Rear hitch	-
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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