John Deere 8640 VS CaseIH 4494 specs comparison

John Deere 8640

General Infos

Make	John Deere
Model	8640
Country	United states
Production	From 1979  Until 1982
Price	-
Tractor type	Four wheel Drive (4WD) tractor
Fuel	diesel
Service repair manual	John Deere 8640 Manual

Dimensions, sizes and tires

AG front tires	18.4-34
AG rear tires	18.4-34
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	28,270 lbs or 12823 kg
Length	223.5 inches [567 cm]
Width	-
Height	126.6 inches [321 cm]
Wheelbase	125 inches [317 cm]
Ground clearance	18.4 inches [46 cm]
Turning radius	-
Rear tread size	63 to 130 inches
Front tread size	63 to 130 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	619 ci or 10.1 L
Cylinders	6 cylinders
Engine power	275 hp or 205.1 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	214 gal or 810.0 L
Oil capacity	26 qts or 24.6 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 8640 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	6 V
Battries Amps	-
Cold Amps	975
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	90 amps

Clutch and gearbox specs

Trans system	John Deere Quad-Range
Trans type	partial power shift
Trans gears	16 forward and 6 reverse
Clutch system	hydraulic wet disc

Cabine and mechanical specs

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

Hydraulics specifications

System	closed center
Valves	2
Pump flow	33 gpm or 124.9 lpm
SVC flow	-
Steering flow	-
Tank capacity	41 gal or 155.2 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	203.34 hp or 151.6 kW
Fuel consumption	14.5 gal/hour or 54.9 l/hour
Pulling power	27,782 lbs or 12601 kg

Power take-off (PTO) specs

Claimed power	225 hp or 167.8 kW
Real power	228.75 hp or 170.6 kW
Engine @RPM	1000@2100 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (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/IIIN
Rear hitch lift	8545 lbs or 3876 kg
Front hitch	-
Front hitch lift	-

CaseIH 4494

General Infos

Make	CaseIH
Model	4494
Country	United states
Production	From 1984  Until 1987
Price	74,600  USD
Tractor type	Four wheel Drive (4WD) tractor
Fuel	diesel
Service repair manual	CaseIH 4494 Manual

Dimensions, sizes and tires

AG front tires	18.4-34
AG rear tires	18.4-34
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	20,840 lbs or 9453 kg
Length	225 inches [571 cm]
Width	96 inches [243 cm] (minimum)
Height	-
Wheelbase	102 inches [259 cm]
Ground clearance	18 inches [45 cm] (frame)
Turning radius	14.5 feet [4.4 m]
Rear tread size	74 to 123 inches
Front tread size	74 to 123 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	504 ci or 8.3 L
Cylinders	6 cylinders
Engine power	213 hp or 158.8 kW
Engine RPM	2200 (rpm)
Torque	560 lb-ft or 759.4 Nm
Torque RPM	1650 (rpm)
Fuel type	diesel
Fuel injection	-
Fuel tank size	128 gal or 484.5 L
Oil capacity	24 qts or 22.7 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	CaseIH 4494 Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	partial power shift
Trans type	-
Trans gears	12 forward and 4 reverse
Clutch system	hydraulic wet disc

Cabine and mechanical specs

Wheel drive	4x4 4WD
Final drive	-
Steering	hydraulic, front, rear or four-wheel crab steering
Braking system	hydraulic dry disc
Cabin type	Silent Guardian cab standard
Differentiel lock	-

Hydraulics specifications

System	closed center
Valves	2 to 4
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	15.5 gal or 58.7 L
Hydraulic pressure	2350 psi or 162.0 bar
Max flow	31 gpm or 117.3 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	150.14 hp or 112.0 kW
Fuel consumption	11.3 gal/hour or 42.8 l/hour
Pulling power	21,400 lbs or 9707 kg

Power take-off (PTO) specs

Claimed power	175 hp or 130.5 kW
Real power	175.20 hp or 130.6 kW
Engine @RPM	1000@2200 (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
Rear hitch lift	12,750 lbs or 5783 kg
Front hitch	-
Front hitch lift	-

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