John Deere 8440: all source data
All 72 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | John Deere |
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| (no label) | Four-wheel Drive (4WD) tractor |
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| (no label) | Built in Waterloo, Iowa, USA |
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| (no label) | Original price was $64,000 in 1982 |
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Engine| (no label) | John Deere 7.6L 6-cyl diesel |
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Transmission| (no label) | 16-speed partial power shift |
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Power| Engine | 215 hp | 160.3 kW |
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| PTO (claimed) | 175 hp | 130.5 kW |
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| Drawbar (tested) | 160.58 hp | 119.7 kW |
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| PTO (tested) | 179.83 hp | 134.1 kW |
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Mechanical| (no label) | Four-wheel drive |
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| Differential lock | hydraulic front and rear |
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| (no label) | Articulated power steering |
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| (no label) | Hydraulic wet disc brakes |
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| (no label) | Cab standard. |
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Capacity| Fuel | 156 gal | 590.5 L |
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| Hydraulic system | 40 gal | 151.4 L |
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Hydraulics| Type | closed center |
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| Capacity | 40 gal | 151.4 L |
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| Valves | 2 |
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| Pump flow | 33 gpm | 124.9 lpm |
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Hitch| Rear Type | III |
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| Rear lift | 8545 lbs | 3876 kg |
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Pto| Rear PTO | independent |
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| Rear PTO Type | 1000 |
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Dimensions| Wheelbase | 125 inches | 317 cm |
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| Weight | 26,590 lbs | 12061 kg |
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| Front tire | 18.4-34 |
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| Rear tire | 18.4-34 |
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Serial location| (no label) | Serial number plate on the rear of transmission case. |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Charging amps | 90 |
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| Batteries | 2 |
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| Battery CCA | 850 |
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| Battery volts | 6 |
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Engine
Engine detail| (no label) | John Deere |
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| (no label) | turbocharged diesel |
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| (no label) | 6-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 466 ci | 7.6 L |
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| Bore/Stroke | 4.5625x4.75 inches | 116 x 121 mm |
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| Power | 215 hp | 160.3 kW |
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| Compression | 15.5:1 |
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| Rated RPM | 2100 |
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| Idle RPM | 800-2300 |
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| Operating RPM | 1500-2100 |
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| Firing order | 1-5-3-6-2-4 |
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| Starter volts | 12 |
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| Oil capacity | 22 qts | 20.8 L |
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| Coolant capacity (Coolant) | 40 qts | 37.9 L |
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Transmission
Transmission| Transmission | John Deere Quad-Range |
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| Type | partial power shift |
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| Gears | 16 forward and 6 reverse |
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| Clutch | hydraulic wet disc |
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| Oil capacity | 160 qts | 151.4 L |
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| (no label) | 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. |
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Dimensions
Tires| Ag front | 18.4-34 |
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| Ag rear | 18.4-34 |
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Dimensions| Wheelbase | 125 inches | 317 cm |
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| Length | 223.5 inches | 567 cm |
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| Operating weight | 26,590 lbs | 12061 kg |
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| Ground clearance | 19.4 inches | 49 cm |
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| Front axle | Rack-and-pinion: 3.937 by 95.8 inches | 99 by 2433 mm |
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| Front axle | Rack-and-pinion: 3.937 by 118.4 inches | 99 by 3007 mm |
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| Rack-and-pinion rear axle (Rack-and-pinion) | 3.937 by 95.8 inches | 99 by 2433 mm |
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| Rack-and-pinion rear axle (Rack-and-pinion) | 3.937 by 118.4 inches | 99 by 3007 mm |
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| Front tread | 63 to 130 inches | 160 to 330 cm |
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| Rear tread | 63 to 130 inches | 160 to 330 cm |
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Height| Hood | 87.1 inches | 221 cm |
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| Cab | 126.6 inches | 321 cm |
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| Exhaust | 134.5 inches | 341 cm |
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