John Deere 20A VS Yanmar AF890 specs comparison

John Deere 20A
General InfosMake | John Deere |
Model | 20A |
Country | United states |
Production | From 2008 Until 2011 |
Price | - |
Tractor type | Orchard/Vineyard tractor |
Fuel | diesel |
Service repair manual | John Deere 20A Manual |
Dimensions, sizes and tires
AG front tires | 6.5/80x15 |
AG rear tires | 6.5/80x15 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 1,654 lbs or 750 kg |
Length | 98 inches [248 cm] |
Width | 32 inches [81 cm] |
Height | 40 inches [101 cm] |
Wheelbase | 39.3 inches [99 cm] |
Ground clearance | 9.25 inches [23 cm] (front axle) |
Turning radius | 3.9 feet [1.2 m] (with brakes) |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 58.2 ci or 1.0 L |
Cylinders | 2 cylinders |
Engine power | 21 hp or 15.7 kW |
Engine RPM | 3000 (rpm) |
Torque | 53 lb-ft or 71.9 Nm | Torque RPM | 2300 (rpm) |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 6 gal or 22.7 L |
Oil capacity | 3.17 qts or 3.0 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | John Deere 20A Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | 45 amps |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 14 amps |
Trans system | - |
Trans type | gear |
Trans gears | 6 forward and 3 reverse |
Clutch system | - |
Wheel drive | 4x4 articulated 4WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | hydraulic wet disc |
Cabin type | Two-post ROPS |
Differentiel lock | - |
System | open center |
Valves | - |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | 1.7 gal or 6.4 L |
Hydraulic pressure | 1813 psi or 125.0 bar |
Max flow | 9 gpm or 34.1 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 17 hp or 12.7 kW |
Real power | - |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | 1/1N |
Rear hitch lift | 1,100 lbs or 498 kg |
Front hitch | - |
Front hitch lift | - |

Yanmar AF890
General InfosMake | Yanmar |
Model | AF890 |
Country | Japan |
Production | From 2001 Until 2005 |
Price | - |
Tractor type | - |
Fuel | diesel |
Service repair manual | Yanmar AF890 Manual |
Dimensions, sizes and tires
AG front tires | 9.5-24 |
AG rear tires | 13.6-38 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 7496 lbs or 3400 kg |
Length | 158.3 inches [402 cm] |
Width | 71.3 inches [181 cm] |
Height | 106.7 inches [271 cm] |
Wheelbase | 90.6 inches [230 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 48 to 71.7 inches |
Front tread size | 48 to 73.2 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 269.2 ci or 4.4 L |
Cylinders | 4 cylinders |
Engine power | 90 hp or 67.1 kW |
Engine RPM | 2400 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | direct injection |
Fuel tank size | 31.7 gal or 120.0 L |
Oil capacity | - |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | Yanmar AF890 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | power shuttle |
Trans gears | 18 forward and reverse |
Clutch system | hydraulic wet disc |
Wheel drive | 4x4 MFWD 4WD |
Final drive | - |
Steering | power |
Braking system | hydraulic wet disc |
Cabin type | Cab standard with air-conditioning |
Differentiel lock | - |
System | - |
Valves | - |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | - |
Real power | - |
Engine @RPM | - |
PTO Clutch | hydraulic wet disc |
Rear PTO | independent |
Rear PTO RPM | 561 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | position and draft control |
Rear hitch | II/I |
Rear hitch lift | 7495 lbs or 3399 kg |
Front hitch | - |
Front hitch lift | - |
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Useful links and guides ....
- John Deere provided us with the latest version of its 20A service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 20A farm-tractor here
- Get your Yanmar AF890 manual book version
- Cabine, electrical And mechanical parts for Yanmar AF890 farm-tractor here