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info | |
1979 - 1982 Iron Horses Series, Four-wheel Drive (4WD) tractor | |
Next model: | John Deere 8450 |
Series next: | John Deere 8640 |
Production | |
Manufacturer: | John Deere |
Factory: | Waterloo, Iowa, USA |
Original price (USD), $64,000 (1982 ), |
Capacity | |
Fuel: | 156 gal [590.5 L] |
Hydraulic system: | 40 gal [151.4 L] |
3-Point Hitch | |
Rear Type: | III |
Rear lift: | 8545 lbs [3876 kg] |
Power Take-off (PTO) | |
Rear PTO: | independent |
Rear RPM: | 1000 |
Dimensions & Tires | |
Wheelbase: | 125 inches [317 cm] |
Weight: | 26,590 lbs [12061 kg] |
Front tire: | 18.4-34 |
Rear tire: | 18.4-34 |
8440 Serial Numbers | |
Location: | Serial number plate on the rear of transmission case. |
John Deere 8440 Power | |
Engine: | 215 hp [160.3 kW] |
PTO (claimed): | 175 hp [130.5 kW] |
Drawbar (tested): | 160.58 hp [119.7 kW] |
PTO (tested): | 179.83 hp [134.1 kW] |
Mechanical | |
Chassis: | 4x4 articulated 4WD |
Differential lock: | hydraulic front and rear |
Steering: | articulated power |
Brakes: | hydraulic wet disc |
Cab: | Cab standard. |
Hydraulics | |
Type: | closed center |
Capacity: | 40 gal [151.4 L] |
Valves: | 2 |
Pump flow: | 33 gpm [124.9 lpm] |
Electrical | |
Ground: | negative |
Charging system: | alternator |
Charging amps: | 90 |
Battery | |
Number: | 2 |
Cold-cranking amps: | 850 |
Volts: | 6 |
info | |
Bore/Stroke: | 4.5625x4.75 inches [116 x 121 mm] |
Power: | 215 hp [160.3 kW] |
Compression: | 15.5:1 |
Rated RPM: | 2100 |
Idle RPM: | 800-2300 |
Operating RPM: | 1500-2100 |
Firing order: | 1-5-3-6-2-4 |
Starter volts: | 12 |
Oil capacity: | 22 qts [20.8 L] |
Coolant capacity: | 40 qts [37.9 L] |
Engine Detail | |
John Deere, turbocharged diesel, 6-cylinder, liquid-cooled, 466 ci [7.6 L] |
info | |
Speeds: | With 18.4-38 tires. |
Transmission | |
Transmission: | John Deere Quad-Range |
Type: | partial power shift |
Gears: | 16 forward and 6 reverse |
Clutch: | hydraulic wet disc |
Oil capacity: | 160 qts [151.4 L] |
Four gears (1-4) in four ranges (A-D). Tractor must be stopped to select range. Power shift between gears 1-2 and 3-4 within range. |
info | |
Next model: | John Deere 8450 |
Series next: | John Deere 8640 |
Dimensions | |
Weight (operating): | 26,590 lbs [12061 kg] *With 20.8-38 duals. |
Wheelbase: | 125 inches [317 cm] |
Length: | 223.5 inches [567 cm] |
Height (hood): | 87.1 inches [221 cm] |
Height (cab): | 126.6 inches [321 cm] |
Height (exhaust): | 134.5 inches [341 cm] |
Ground clearance: | 19.4 inches [49 cm] |
Front axle: | Rack-and-pinion: 3.937 by 95.8 inches [99x2433 mm] Rack-and-pinion: 3.937 by 118.4 inches [99x3007 mm] |
Rear axle: | Rack-and-pinion: 3.937 by 95.8 inches [99x2433 mm] Rack-and-pinion: 3.937 by 118.4 inches [99x3007 mm] |
Front tread: | 63 to 130 inches [160 to 330 cm] |
Rear tread: | 63 to 130 inches [160 to 330 cm] |
John Deere 8440 Tires | |
Ag front: | 18.4-34 |
Ag rear: | 18.4-34 |