John Deere 3050 VS David Brown 770 Selectamatic specs comparison
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 |
| Batteries number | 2 |
| Batteries voltage | 12 V |
| Battries Amps | 88 amps |
| Cold Amps | - |
| Ground force | negative |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | 55 amps |
| Trans system | Hi-Lo |
| Trans type | two-speed power shift |
| Trans gears | 16 forward and 8 reverse |
| Clutch system | hydraulic cerametallic disc |
| 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 |
| 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 type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| 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 | - |
| 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 |
David Brown 770 Selectamatic
General Infos| Make | David Brown |
| Model | 770 Selectamatic |
| Country | United states |
| Production | From 1965 Until 1970 |
| Price | - |
| Tractor type | Utility tractor |
| Fuel | diesel |
| Service repair manual | David Brown 770 Selectamatic Manual |
Dimensions, sizes and tires
| AG front tires | 5.50-16 |
| AG rear tires | 11.2/10-28 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 3110 lbs or 1410 kg |
| Length | 112.5 inches [285 cm] |
| Width | 64 inches [162 cm] |
| Height | - |
| Wheelbase | 75 inches [190 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | 48/52/56/60/64/68/72/76 inches |
| Front tread size | 48/52/56/60/64/68/72/76 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 146.1 ci or 2.4 L |
| Cylinders | 3 cylinders |
| Engine power | 36 hp or 26.8 kW |
| Engine RPM | 2055 (rpm) |
| Torque | 100 lb-ft or 135.6 Nm | Torque RPM | 1400 (rpm) |
| Fuel type | diesel |
| Fuel injection | direct injection |
| Fuel tank size | 11.4 gal or 43.1 L |
| Oil capacity | 7.8 qts or 7.4 L |
| Oil change | - |
| Starter motor | electric |
| Starter volts | 12 V |
| Parts And Accessories | David Brown 770 Selectamatic Parts |
| Batteries number | - |
| Batteries voltage | 12 V |
| Battries Amps | 96 amps |
| Cold Amps | - |
| Ground force | negative |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | gear |
| Trans gears | 12 forward and 4 reverse |
| Clutch system | dry disc |
| Wheel drive | 4x2 2WD |
| Final drive | spur gear |
| Steering | manual |
| Braking system | mechanical drum |
| Cabin type | Open operator station |
| Differentiel lock | mechanical rear |
| System | open center |
| Valves | - |
| Pump flow | - |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | 2000 psi or 137.9 bar |
| Max flow | - |
| Drawbar type | - |
| Claimed power | 27.5 hp or 20.5 kW |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | 32 hp or 23.9 kW |
| Real power | - |
| Engine @RPM | 540@1620 (rpm) |
| PTO Clutch | - |
| Rear PTO | live |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | position and draft control |
| Rear hitch | I |
| Rear hitch lift | - |
| Front hitch | - |
| Front hitch lift | - |
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Useful links and guides ....
- John Deere provided us with the latest version of its 3050 service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 3050 farm-tractor here
- Get your David Brown 770 Selectamatic manual book version
- Cabine, electrical And mechanical parts for David Brown 770 Selectamatic farm-tractor here
