Allis Chalmers D21 Series I VS John Deere 2640 specs comparison

Allis Chalmers D21 Series I

General Infos

Make	Allis Chalmers
Model	D21 Series I
Country	United states
Production	From 1963  Until 1969
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Allis Chalmers D21 Series I Manual

Dimensions, sizes and tires

AG front tires	11.00x16
AG rear tires	24.5x32
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	9500 lbs or 4309 kg
Length	160.6 inches [407 cm]
Width	91.6 inches [232 cm]
Height	-
Wheelbase	96.1 inches [244 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	426 ci or 7.0 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	52 gal or 196.8 L
Oil capacity	12 qts or 11.4 L
Oil change	-
Starter motor	-
Starter volts	-
Parts And Accessories	Allis Chalmers D21 Series I Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	95 amps
Cold Amps	-
Ground force	negative
Charging system	Delco-Remy generator
Charging Volts	-
Charging Amps	32 amps

Clutch and gearbox specs

Trans system	Power Director
Trans type	sliding gear
Trans gears	8 forward and 2 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	power
Braking system	band actuated disc
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	93 hp or 69.4 kW
Drawbar horsepower	93.09 hp or 69.4 kW
Fuel consumption	7.1 gal/hour or 26.9 l/hour
Pulling power	14,840 lbs or 6731 kg

Power take-off (PTO) specs

Claimed power	103 hp or 76.8 kW
Real power	103.06 hp or 76.9 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	7.1 gal/hour or 26.9 l/hour

3 point hitch specifiations

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

John Deere 2640

General Infos

Make	John Deere
Model	2640
Country	United states
Production	From 1976  Until 1982
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	John Deere 2640 Manual

Dimensions, sizes and tires

AG front tires	6.00-16
AG rear tires	16.9-28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	5800 lbs or 2630 kg
Length	139.5 inches [354 cm]
Width	69.5 inches [176 cm]
Height	-
Wheelbase	85.75 inches [217 cm]
Ground clearance	-
Turning radius	-
Rear tread size	52 to 97 inches
Front tread size	60 to 88 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	276 ci or 4.5 L
Cylinders	4 cylinders
Engine power	-
Engine RPM	2500 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	19.5 gal or 73.8 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 2640 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	Direction Reverser
Trans type	power shuttle
Trans gears	8 forward and reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	planetary
Steering	mechanical with power assist
Braking system	differential hydraulic wet disc
Cabin type	Open operator station
Differentiel lock	mechanical rear

Hydraulics specifications

System	closed center
Valves	-
Pump flow	9 gpm or 34.1 lpm
SVC flow	-
Steering flow	-
Tank capacity	10 gal or 37.9 L
Hydraulic pressure	2250 psi or 155.1 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	57.88 hp or 43.2 kW
Fuel consumption	-
Pulling power	6,470 lbs or 2934 kg

Power take-off (PTO) specs

Claimed power	70 hp or 52.2 kW
Real power	69.02 hp or 51.5 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	4.3 gal/hour or 16.3 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	II/I
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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