David Brown 3800 Selectamatic VS Allis Chalmers 7000 specs comparison

David Brown 3800 Selectamatic

General Infos

Make	David Brown
Model	3800 Selectamatic
Country	United states
Production	From 1968  Until 1971
Price	4,000  USD
Tractor type	Utility tractor
Fuel	gasoline
Service repair manual	David Brown 3800 Selectamatic Manual

Dimensions, sizes and tires

AG front tires	14.9/13-24
AG rear tires	13.6/12-28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	3885 lbs or 1762 kg
Length	115.625 inches [293 cm]
Width	64.5 inches [163 cm] (min)
Height	-
Wheelbase	76 inches [193 cm]
Ground clearance	-
Turning radius	-
Rear tread size	48 to 76 inches
Front tread size	48 to 72 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	146.1 ci or 2.4 L
Cylinders	3 cylinders
Engine power	-
Engine RPM	2200 (rpm)
Torque	115 lb-ft or 155.9 Nm
Torque RPM	1400 (rpm)
Fuel type	gasoline
Fuel injection	-
Fuel tank size	9.5 gal or 36.0 L
Oil capacity	6.75 qts or 6.4 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	David Brown 3800 Selectamatic Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	-
Trans type	gear
Trans gears	12 forward and 4 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	spur gear
Steering	manual
Braking system	mechanical shoe
Cabin type	Open operating station
Differentiel lock	rear diff lock standard

Hydraulics specifications

System	Selectamatic
Valves	-
Pump flow	7.3 gpm or 27.6 lpm
SVC flow	-
Steering flow	-
Tank capacity	6 gal or 22.7 L
Hydraulic pressure	2000 psi or 137.9 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	32.13 hp or 24.0 kW
Fuel consumption	3.4 gal/hour or 12.9 l/hour
Pulling power	4419 lbs or 2004 kg

Power take-off (PTO) specs

Claimed power	39 hp or 29.1 kW
Real power	37.24 hp or 27.8 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	live
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	3.3 gal/hour or 12.5 l/hour

3 point hitch specifiations

Hitch system	position and draft control
Rear hitch	I
Rear hitch lift	1600 lbs or 725 kg
Front hitch	-
Front hitch lift	-

Allis Chalmers 7000

General Infos

Make	Allis Chalmers
Model	7000
Country	United states
Production	From 1975  Until 1979
Price	24,860  USD
Tractor type	-
Fuel	diesel
Service repair manual	Allis Chalmers 7000 Manual

Dimensions, sizes and tires

AG front tires	7.5-15
AG rear tires	12.4-42
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	9350 lbs or 4241 kg
Length	183 inches [464 cm]
Width	-
Height	-
Wheelbase	106 inches [269 cm]
Ground clearance	-
Turning radius	-
Rear tread size	64 to 85 inches
Front tread size	62 to 86 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	301 ci or 4.9 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	37 gal or 140.0 L
Oil capacity	16 qts or 15.1 L
Oil change	100 h
Starter motor	-
Starter volts	12 V
Parts And Accessories	Allis Chalmers 7000 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	95 amps
Cold Amps	-
Ground force	negative
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	Power Director
Trans type	partial power shift
Trans gears	12 forward and 3 reverse
Clutch system	12-inch dry disc (main)

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	power
Braking system	differential dry disc
Cabin type	Acousta-Cab optional
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	1
Pump flow	21 gpm or 79.5 lpm
SVC flow	-
Steering flow	-
Tank capacity	7 gal or 26.5 L
Hydraulic pressure	-
Max flow	25 gpm or 94.6 lpm

Drawbar specifications

Drawbar type	-
Claimed power	89 hp or 66.4 kW
Drawbar horsepower	89.46 hp or 66.7 kW
Fuel consumption	6.8 gal/hour or 25.7 l/hour
Pulling power	9,907 lbs or 4493 kg

Power take-off (PTO) specs

Claimed power	106 hp or 79.0 kW
Real power	105.85 hp or 78.9 kW
Engine @RPM	540@2200 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	6.7 gal/hour or 25.4 l/hour

3 point hitch specifiations

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

Add a tractor