David Brown 3800 Selectamatic VS Massey Ferguson 4840 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	-

Massey Ferguson 4840

General Infos

Make	Massey Ferguson
Model	4840
Country	United states
Production	From 1978  Until 1983
Price	98,000  USD
Tractor type	Four wheel Drive (4WD) tractor
Fuel	diesel
Service repair manual	Massey Ferguson 4840 Manual

Dimensions, sizes and tires

AG front tires	18.4-38
AG rear tires	18.4-38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	27,000 lbs or 12247 kg
Length	252 inches [640 cm]
Width	108 inches [274 cm]
Height	130 inches [330 cm]
Wheelbase	137 inches [347 cm]
Ground clearance	-
Turning radius	17 feet [5.2 m]
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	903 ci or 14.8 L
Cylinders	8 cylinders
Engine power	265 hp or 197.6 kW
Engine RPM	-
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	190 gal or 719.1 L
Oil capacity	37.5 qts or 35.5 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Massey Ferguson 4840 Parts

Electrical and battery specs

Batteries number	4
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	60 amps

Clutch and gearbox specs

Trans system	-
Trans type	partial power shift
Trans gears	18 forward and 6 reverse
Clutch system	wet disc with four 14-inch plates

Cabine and mechanical specs

Wheel drive	4x4 articulated 4WD
Final drive	-
Steering	hydrostatic power
Braking system	hydraulic caliper
Cabin type	Cab standard with heat and air-conditioning
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	3 to 4
Pump flow	16 gpm or 60.6 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	60 gpm or 227.1 lpm

Drawbar specifications

Drawbar type	-
Claimed power	170 hp or 126.8 kW
Drawbar horsepower	179.65 hp or 134.0 kW
Fuel consumption	14.5 gal/hour or 54.9 l/hour
Pulling power	28,191 lbs or 12787 kg

Power take-off (PTO) specs

Claimed power	211 hp or 157.3 kW
Real power	210.61 hp or 157.1 kW
Engine @RPM	1000@2350 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	13.5 gal/hour or 51.1 l/hour

3 point hitch specifiations

Hitch system	position control with electronic lower link sensing
Rear hitch	IV
Rear hitch lift	11,000 lbs or 4989 kg
Front hitch	-
Front hitch lift	-

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