John Deere 1250: all source data
All 83 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| Distributor | John Deere |
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| Manufacturer | Yanmar |
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| (no label) | Compact Utility tractor |
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| (no label) | Built in Japan |
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| Original price | $14,295 (1983 2WD ) |
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| Original price | $18,795 (1983 4WD ) |
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| Original price | $18,700 (1988 ) |
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Engine| (no label) | Yanmar 2.3L 3-cyl diesel |
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| Fuel tank | 17.2 gal | 65.1 L |
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Transmission| (no label) | 9-speed gear |
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Power| Engine (gross) | 44 hp | 32.8 kW |
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| PTO (claimed) | 40 hp | 29.8 kW |
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| Drawbar (tested) | 33.44 hp | 24.9 kW |
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| PTO (tested) | 40.70 hp | 30.3 kW |
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Mechanical| (no label) | Two- or four-wheel drive |
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| Final drives | inboard planetary |
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| Differential lock | mechanical rear |
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| Steering | power assist |
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| (no label) | Differential hydraulic wet disc brakes |
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| (no label) | Two-post ROPS. Canopy optional. |
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Hydraulics| Type | open center |
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| Pressure | 2200 psi | 151.7 bar |
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| Valves | 0 to 2 |
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| Pump flow | 11.2 gpm | 42.4 lpm |
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| Total flow | 15.9 gpm | 60.2 lpm |
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| Steering flow | 4.7 gpm | 17.8 lpm |
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Hitch| Rear Type | II/I |
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| Control | center-link draft sensing with position and control |
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| Rear lift (at 24"/610mm) | 2240 lbs | 1016 kg |
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Pto| Rear PTO | live |
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| Rear PTO Type | 540 (1.375) |
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| Engine RPM | 540@2295 |
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Dimensions| 2WD Wheelbase (2WD) | 74.4 inches | 188 cm |
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| 4WD Wheelbase (4WD) | 78.1 inches | 198 cm |
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| Weight | 4125 to 5090 pounds |
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| Front tire | 6.50-16 |
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| 2WD Rear tire (2WD) | 13.6-28 |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Charging amps | 25 |
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| Battery CCA | 485 |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | Yanmar |
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| (no label) | diesel |
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| (no label) | 3-cylinder |
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| (no label) | liquid-cooled inline |
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| Displacement | 142.7 ci | 2.3 L |
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| Bore/Stroke | 3.74x4.33 inches | 95 x 110 mm |
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| Power (gross) | 44 hp | 32.8 kW |
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| Fuel system | direct injection |
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| Air cleaner | dry |
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| Compression | 18:1 |
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| Rated RPM | 2500 |
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| Idle RPM | 800-2675 |
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| Firing order | 1-3-2 |
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| Starter volts | 12 |
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| Coolant capacity (Coolant) | 8.4 qts | 7.9 L |
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Engine oil| Oil capacity | 11.2 qts | 10.6 L |
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| Oil change | 200 h |
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Transmission
Transmission| Type | gear |
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| Gears | 9 forward and 3 reverse |
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| Clutch | dry disc |
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| Oil capacity | 33.3 qts | 31.5 L |
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| (no label) | Three gears (1-3) plus reverse (R) in three ranges (I, II, III). Tractor must be stopped, and clutch used, to shift range or gear. |
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Dimensions
Tires| 2WD Standard tires (ag) (2WD) | Front: 6.50-16. Rear: 13.6-28 |
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| 4WD Standard tires (ag) (4WD) | Front: 9.5-24. Rear: 14.9-28 |
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| Lawn/turf front | 27x9.50-15 |
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| Lawn/turf rear | 21.5L-16.1 |
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Dimensions| 2WD Wheelbase (2WD) | 74.4 inches | 188 cm |
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| 4WD Wheelbase (4WD) | 78.1 inches | 198 cm |
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| Length | 134.3 inches | 341 cm |
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| Width | 65.2 inches | 165 cm |
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| Clearance (front axle) | 17.5 inches | 44 cm |
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| Front tread | 55 to 74.8 inches | 139 to 189 cm |
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| Rear tread | 51 to 79 inches | 129 to 200 cm |
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Weight| 2WD Shipping (2WD) | 4125 lbs | 1871 kg |
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| 4WD Shipping (4WD) | 4875 lbs | 2211 kg |
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| 4WD Operating (4WD) | 5090 lbs | 2308 kg |
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| Ballasted | 5180 lbs | 2349 kg |
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Height| 2WD Hood (2WD) | 55 inches | 139 cm |
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| 4WD Hood (4WD) | 56.1 inches | 142 cm |
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| 2WD ROPS (2WD) | 87.2 inches | 221 cm |
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| 4WD ROPS (4WD) | 88.3 inches | 224 cm |
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