David Brown 3800 Selectamatic VS AGCO Allis 7650 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	-

AGCO Allis 7650

General Infos

Make	AGCO Allis
Model	7650
Country	United states
Production	From 1991  Until 1994
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	AGCO Allis 7650 Manual

Dimensions, sizes and tires

AG front tires	16.9R30
AG rear tires	20.8R38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	12566 lbs or 5699 kg
Length	185.2 inches [470 cm]
Width	86 inches [218 cm]
Height	-
Wheelbase	114.2 inches [290 cm]
Ground clearance	20.4 inches [51 cm]
Turning radius	-
Rear tread size	65.3 to 88 inches
Front tread size	72 to 80 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	380.48 ci or 6.2 L
Cylinders	6 cylinders
Engine power	146.7 hp or 109.4 kW
Engine RPM	2180 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	55.5 gal or 210.1 L
Oil capacity	17.1 qts or 16.2 L
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	AGCO Allis 7650 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	176 amps
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	65 amps

Clutch and gearbox specs

Trans system	-
Trans type	synchromesh
Trans gears	24 forward and 12 reverse
Clutch system	hydraulic cerametallic 350mm disc

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	inboard planetary
Steering	power
Braking system	hydraulic wet disc
Cabin type	Cab standard with air-conditioning
Differentiel lock	mechanical front and rear

Hydraulics specifications

System	open center
Valves	2
Pump flow	16.9 gpm or 64.0 lpm
SVC flow	-
Steering flow	-
Tank capacity	23.1 gal or 87.4 L
Hydraulic pressure	2610 psi or 180.0 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	128.4 hp or 95.7 kW
Real power	-
Engine @RPM	540@2083 (rpm)
PTO Clutch	hydraulic wet disc
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	lower link draft control
Rear hitch	III/II
Rear hitch lift	11905 lbs or 5400 kg
Front hitch	-
Front hitch lift	-

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