Allis Chalmers 8550 VS John Deere 4840 specs comparison

Allis Chalmers 8550

General Infos

Make	Allis Chalmers
Model	8550
Country	United states
Production	From 1978  Until 1981
Price	86,753  USD
Tractor type	Four wheel Drive (4WD) tractor
Fuel	diesel
Service repair manual	Allis Chalmers 8550 Manual

Dimensions, sizes and tires

AG front tires	20.8x34
AG rear tires	20.8x34
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	26,400 lbs or 11975 kg
Length	285 inches [723 cm]
Width	95.5 inches [242 cm]
Height	139 inches [353 cm]
Wheelbase	126 inches [320 cm]
Ground clearance	17 inches [43 cm]
Turning radius	-
Rear tread size	62 to 123 inches
Front tread size	62 to 123 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	731 ci or 12.0 L
Cylinders	6 cylinders 24 valves
Engine power	300 hp or 223.7 kW
Engine RPM	2500 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	170 gal or 643.5 L
Oil capacity	46 qts or 43.5 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Allis Chalmers 8550 Parts

Electrical and battery specs

Batteries number	4
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	Power Director
Trans type	partial power shift
Trans gears	20 forward and 4 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 articulated 4WD
Final drive	-
Steering	hydrostatic power
Braking system	hydraulic wet discs
Cabin type	Acousta Cab II standard with heat and air-conditioning
Differentiel lock	-

Hydraulics specifications

System	closed center
Valves	3 or 4
Pump flow	74.9 gpm or 283.5 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	210 hp or 156.6 kW
Drawbar horsepower	217.92 hp or 162.5 kW
Fuel consumption	17.5 gal/hour or 66.2 l/hour
Pulling power	26,220 lbs or 11893 kg

Power take-off (PTO) specs

Claimed power	250 hp or 186.4 kW
Real power	253.88 hp or 189.3 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	17.4 gal/hour or 65.9 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	IV/III
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

John Deere 4840

General Infos

Make	John Deere
Model	4840
Country	United states
Production	From 1978  Until 1982
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 4840 Manual

Dimensions, sizes and tires

AG front tires	10.00-16
AG rear tires	24.5-32
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	14,900 lbs or 6758 kg
Length	177 inches [449 cm]
Width	96 inches [243 cm]
Height	117 inches [297 cm]
Wheelbase	118.5 inches [300 cm]
Ground clearance	-
Turning radius	14.7 feet [4.5 m]
Rear tread size	60 to 131.5 inches
Front tread size	58 to 100 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	466 ci or 7.6 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	103 gal or 389.9 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 4840 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	6 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	John Deere PowerShift
Trans type	full power shift
Trans gears	8 forward and 4 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	power
Braking system	differential hydraulic wet disc
Cabin type	Sound-Gard cab
Differentiel lock	pedal-actuated hydraulic

Hydraulics specifications

System	closed center
Valves	2 or 3
Pump flow	23 gpm or 87.1 lpm
SVC flow	-
Steering flow	-
Tank capacity	16.5 gal or 62.5 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	157 hp or 117.1 kW
Drawbar horsepower	151.21 hp or 112.8 kW
Fuel consumption	11.3 gal/hour or 42.8 l/hour
Pulling power	17,307 lbs or 7850 kg

Power take-off (PTO) specs

Claimed power	180 hp or 134.2 kW
Real power	181.63 hp or 135.4 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	11.5 gal/hour or 43.5 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III,IIIN
Rear hitch lift	8,295 lbs or 3762 kg
Front hitch	-
Front hitch lift	-

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