David Brown 3800 Selectamatic VS Allis Chalmers 5030 specs comparison

David Brown 3800 Selectamatic 1968 comparison online with competitors

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 5030 1979 comparison online with competitors

Allis Chalmers 5030

General Infos
Make Allis Chalmers
Model 5030
Country United states
Production From 1979  Until 1985
Price -
Tractor type Compact Utility tractor
Fuel diesel
Service repair manual Allis Chalmers 5030 Manual

Dimensions, sizes and tires
AG front tires 5.00-15
AG rear tires 12.4-24
Lawn front tires 20x8.00-10
Lawn rear tires 20x8.00-10
Indus front tires -
Indus rear tires -
Weight 2100 lbs or 952 kg
Length 100.4 inches [255 cm]
Width 53.5 inches [135 cm]
Height 86 inches [218 cm]
Wheelbase 61.8 inches [156 cm]
Ground clearance -
Turning radius -
Rear tread size 40.9 to 62.5 inches
Front tread size 40.9 to 51.1 inches
Turning radius -

Horsepower and engin specs
Engine capacity 90.1 ci or 1.5 L
Cylinders 2 cylinders
Engine power 31 hp or 23.1 kW
Engine RPM 2500 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 7 gal or 26.5 L
Oil capacity 5 qts or 4.7 L
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories Allis Chalmers 5030 Parts
Electrical and battery specs
Batteries number 1
Batteries voltage 12 V
Battries Amps 70 amps
Cold Amps -
Ground force negative
Charging system alternator
Charging Volts -
Charging Amps 12 amps
Clutch and gearbox specs
Trans system -
Trans type sliding gear
Trans gears 12 forward and 3 reverse
Clutch system 215mm dry disc
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering mechanical
Braking system differential mechanical drum and shoe
Cabin type Two-post ROPS
Differentiel lock -
Hydraulics specifications
System open center
Valves 0 or 1
Pump flow 5.44 gpm or 20.6 lpm
SVC flow -
Steering flow -
Tank capacity 6.7 gal or 25.4 L
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power 22.4 hp or 16.7 kW
Drawbar horsepower 22.47 hp or 16.8 kW
Fuel consumption 1.9 gal/hour or 7.2 l/hour
Pulling power 3,389 lbs or 1537 kg
Power take-off (PTO) specs
Claimed power 26 hp or 19.4 kW
Real power 25.61 hp or 19.1 kW
Engine @RPM -
PTO Clutch -
Rear PTO transmission
Rear PTO RPM 540 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption 1.9 gal/hour or 7.2 l/hour
3 point hitch specifiations
Hitch system -
Rear hitch I
Rear hitch lift -
Front hitch -
Front hitch lift -

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