David Brown 3800 Selectamatic VS John Deere 3050 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	-

John Deere 3050

General Infos

Make	John Deere
Model	3050
Country	United states
Production	From 1986  Until 1993
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	John Deere 3050 Manual

Dimensions, sizes and tires

AG front tires	14.9x26
AG rear tires	521/70x38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	9149 lbs or 4149 kg
Length	184.1 inches [467 cm]
Width	85.4 inches [216 cm]
Height	113.4 inches [288 cm]
Wheelbase	101.8 inches [258 cm]
Ground clearance	27 inches [68 cm]
Turning radius	-
Rear tread size	59.1 to 78.7 inches
Front tread size	56.9 to 82.4 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	359 ci or 5.9 L
Cylinders	6 cylinders
Engine power	90.7 hp or 67.6 kW
Engine RPM	2300 (rpm)
Torque	250.8 lb-ft or 340.1 Nm
Torque RPM	1400 (rpm)
Fuel type	diesel
Fuel injection	-
Fuel tank size	32 gal or 121.1 L
Oil capacity	12.15 qts or 11.5 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 3050 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	88 amps
Cold Amps	-
Ground force	negative
Charging system	-
Charging Volts	-
Charging Amps	55 amps

Clutch and gearbox specs

Trans system	Hi-Lo
Trans type	two-speed power shift
Trans gears	16 forward and 8 reverse
Clutch system	hydraulic cerametallic disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	planetary
Steering	power
Braking system	hydraulic wet disc
Cabin type	SG2 Cab standard with optional air-conditioning
Differentiel lock	mechanical rear

Hydraulics specifications

System	closed-center constant pressure
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	12.94 gal or 49.0 L
Hydraulic pressure	2698 psi or 186.0 bar
Max flow	11.62 gpm or 44.0 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	84.3 hp or 62.9 kW
Real power	-
Engine @RPM	1000@2172 (rpm)
PTO Clutch	hydraulic wet disc
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	independent
Front PTO RPM	1000 (rpm)
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	position and draft control
Rear hitch	II/IIIN
Rear hitch lift	8988 lbs or 4076 kg
Front hitch	II
Front hitch lift	3594 lbs or 1630 kg

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