Allis Chalmers B VS John Deere 7720 specs comparison

Allis Chalmers B

General Infos

Make	Allis Chalmers
Model	B
Country	United states
Production	From 1938  Until 1957
Price	-
Tractor type	Row Crop tractor
Fuel	gasoline
Service repair manual	Allis Chalmers B Manual

Dimensions, sizes and tires

AG front tires	4.00-15
AG rear tires	9-24
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	2060 lbs or 934 kg
Length	110.25 inches [280 cm]
Width	52.7 inches [133 cm] (minimum)
Height	-
Wheelbase	73.4 inches [186 cm]
Ground clearance	21.75 inches [55 cm]
Turning radius	7.75 feet [2.4 m] (with brakes)
Rear tread size	40 to 52 inches
Front tread size	42 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	113 ci or 1.9 L
Cylinders	4 cylinders
Engine power	-
Engine RPM	1400 (rpm)
Torque	-
Torque RPM	-
Fuel type	gasoline
Fuel injection	-
Fuel tank size	12 gal or 45.4 L
Oil capacity	4 qts or 3.8 L
Oil change	-
Starter motor	-
Starter volts	6 V
Parts And Accessories	Allis Chalmers B Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	6 V
Battries Amps	-
Cold Amps	-
Ground force	positive
Charging system	generator
Charging Volts	-
Charging Amps	12 amps

Clutch and gearbox specs

Trans system	-
Trans type	unsynchronized gear
Trans gears	3 forward and 1 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual
Braking system	differential mechanical contracting band
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	-
Drawbar horsepower	19.51 hp or 14.5 kW
Fuel consumption	-
Pulling power	2,667 lbs or 1209 kg

Power take-off (PTO) specs

Claimed power	-
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	transmission
Rear PTO RPM	560 (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	-

John Deere 7720

General Infos

Make	John Deere
Model	7720
Country	United states
Production	From 2004  Until 2007
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 7720 Manual

Dimensions, sizes and tires

AG front tires	11.00-16
AG rear tires	18.4R4
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	15,501 lbs or 7031 kg
Length	212.2 inches [538 cm]
Width	96 inches [243 cm] (short axle)
Height	125.4 inches [318 cm]
Wheelbase	112.6 inches [286 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	414 ci or 6.8 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	103.5 gal or 391.7 L
Oil capacity	27.5 qts or 26.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 7720 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	925
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	150 amps

Clutch and gearbox specs

Trans system	AutoPowr IVT
Trans type	infinitely variable transmission
Trans gears	infinite forward and reverse
Clutch system	hydraulic wet discs

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	hydrostatic power
Braking system	hydraulic wet disc
Cabin type	Cab standard
Differentiel lock	-

Hydraulics specifications

System	closed-center pressure-flow compensated
Valves	7
Pump flow	32.2 gpm or 121.9 lpm
SVC flow	30 gpm or 113.6 lpm
Steering flow	-
Tank capacity	28.5 gal or 107.9 L
Hydraulic pressure	3046 psi or 210.0 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	129.08 hp or 96.3 kW
Fuel consumption	8.1 gal/hour or 30.7 l/hour
Pulling power	20604 lbs or 9345 kg

Power take-off (PTO) specs

Claimed power	140 hp or 104.4 kW
Real power	150.58 hp or 112.3 kW
Engine @RPM	540@1950 (rpm)
PTO Clutch	hydraulic wet discs
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	8.3 gal/hour or 31.4 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	3/3N
Rear hitch lift	10,050 lbs or 4558 kg
Front hitch	-
Front hitch lift	-

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