David Brown 770 Selectamatic VS John Deere 4500 specs comparison
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 | - |
John Deere 4500
General Infos| Make | John Deere |
| Model | 4500 |
| Country | United states |
| Production | From 1998 Until 2001 |
| Price | 18,000 USD |
| Tractor type | Compact Utility tractor |
| Fuel | diesel |
| Service repair manual | John Deere 4500 Manual |
Dimensions, sizes and tires
| AG front tires | 6.00-16 |
| AG rear tires | 13.6-24 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 3,450 lbs or 1564 kg |
| Length | 135 inches [342 cm] |
| Width | 62 inches [157 cm] (R1 tires) |
| Height | 97.6 inches [247 cm] |
| Wheelbase | 71.5 inches [181 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 122 ci or 2.0 L |
| Cylinders | 4 cylinders |
| Engine power | 37 hp or 27.6 kW |
| Engine RPM | 2600 (rpm) |
| Torque | 92 lb-ft or 124.8 Nm | Torque RPM | 1700 (rpm) |
| Fuel type | diesel |
| Fuel injection | direct injection |
| Fuel tank size | 12.5 gal or 47.3 L |
| Oil capacity | 5.1 qts or 4.8 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | John Deere 4500 Parts |
| Batteries number | 1 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | 650 |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | 40 amps |
| Trans system | PowrReverser |
| Trans type | partially synhcronized power shuttle |
| Trans gears | 12 forward and reverse |
| Clutch system | wet disc, two clutch packs with three 5-inch discs each |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | power |
| Braking system | wet disc |
| Cabin type | Two-post ROPS |
| Differentiel lock | mechanical |
| System | open center |
| Valves | 3 optional |
| Pump flow | 9.9 gpm or 37.5 lpm |
| SVC flow | - |
| Steering flow | 4.8 gpm or 18.2 lpm |
| Tank capacity | 6.8 gal or 25.7 L |
| Hydraulic pressure | 2500 psi or 172.4 bar |
| Max flow | 14.7 gpm or 55.6 lpm |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | 33 hp or 24.6 kW |
| Real power | - |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | independent |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | independent |
| Mid PTO RPM | 2100 (rpm) |
| Fuel consumption | - |
| Hitch system | - |
| Rear hitch | I |
| Rear hitch lift | 2,500 lbs or 1134 kg |
| Front hitch | - |
| Front hitch lift | - |
Related tractor comparison
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Choose another tractor
Useful links and guides ....
- David Brown provided us with the latest version of its 770 Selectamatic service repair manual
- Find All mechanical and electrical parts and accessories of David Brown 770 Selectamatic farm-tractor here
- Get your John Deere 4500 manual book version
- Cabine, electrical And mechanical parts for John Deere 4500 farm-tractor here
