John Deere 670: all source data
All 87 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 | $11,800 (1997 2WD ) |
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| Original price | $13,550 (1997 4WD ) |
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Engine| (no label) | Yanmar 0.9L 3-cyl diesel |
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Transmission| (no label) | 8-speed unsynchronized gear |
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Power| Engine (gross) | 19.3 hp | 14.4 kW |
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| Engine (net) | 18.5 hp | 13.8 kW |
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| PTO (claimed) | 16 hp | 11.9 kW |
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Mechanical| (no label) | Two- or four-wheel drive |
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| Final drives | spur gear |
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| Differential lock | mechanical rear |
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| Steering | manual |
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| Steering | power |
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| (no label) | Dry shoe brakes |
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| (no label) | Two-post ROPS. |
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Capacity| Fuel | 6.3 gal | 23.8 L |
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| Hydraulic system | 4 gal | 15.1 L |
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| Front axle | 3.2 qts | 3.0 L |
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Hydraulics| Type | open center |
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| Capacity | 4 gal | 15.1 L |
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| Pressure | 2050 psi | 141.3 bar |
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| Rear valves | 2 |
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| Mid valves | 2 |
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| Pump flow | 5.5 gpm | 20.8 lpm |
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| Total flow | 5.5 gpm (manual steering) | 20.8 lpm |
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| Total flow | 9.8 gpm (power steering) | 37.1 lpm |
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| Steering flow | 4.3 gpm | 16.3 lpm |
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Hitch| Rear Type | I |
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| Control | position control |
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| Rear lift (at 24"/610mm) | 790 lbs | 358 kg |
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Pto| Rear PTO | transmission |
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| Rear PTO | live |
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| Rear PTO Type | 540 |
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| Engine RPM | 540@2600 |
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| Mid PTO | live |
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| Mid PTO Type | 2100 |
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| Engine RPM | 2100@2600 |
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Dimensions| Wheelbase | 56.1 inches | 142 cm |
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| Weight | 1730 to 1860 pounds |
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| Front tire | 5.00-12 |
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| 2WD Rear tire (2WD) | 9.5-16 |
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Serial location| (no label) | Serial number plate on the rear of the tractor, below the PTO. |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Charging amps | 20 |
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| Battery CCA | 420 |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | Yanmar 3TNA72 |
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| (no label) | diesel |
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| (no label) | 3-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 53.6 ci | 0.9 L |
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| Bore/Stroke | 2.83x2.83 inches | 72 x 72 mm |
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| Power (net) | 18.5 hp | 13.8 kW |
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| Power (gross) | 19.3 hp | 14.4 kW |
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| Fuel system | indirect injection |
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| Air cleaner | dry element |
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| Pre-heating | glow plugs |
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| Compression | 22.3:1 |
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| Rated RPM | 2850 |
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| Starter volts | 12 |
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| Oil capacity | 2.7 qts | 2.6 L |
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| Coolant capacity (Coolant) | 4 qts | 3.8 L |
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Transmission
Transmission| Type | unsynchronized gear |
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| Gears | 8 forward and 2 reverse |
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| Clutch | 215mm dry disc |
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| Oil capacity | 16 qts | 15.1 L |
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| (no label) | Four gears, plus reverse, in two ranges. |
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Dimensions
Tires| 2WD Standard tires (ag) (2WD) | Front: 5.00-12. Rear: 9.5-16 |
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| 4WD Standard tires (ag) (4WD) | Front: 6-12. Rear: 9.5-16 |
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| Lawn/turf front | 23x8.50-12 |
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| Lawn/turf rear | 31x15.5-15 |
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Dimensions| Wheelbase | 56.1 inches | 142 cm |
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| Length | 108.8 inches | 276 cm |
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| Width | 42.6 inches | 108 cm |
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| 2WD Weight (2WD) | 1730 lbs | 784 kg |
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| 4WD Weight (4WD) | 1860 lbs | 843 kg |
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| Clearance (drawbar) | 9.7 inches | 24 cm |
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| 2WD Front tread | 37.6 inches | 95 cm |
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| 4WD Front tread | 36.9 inches | 93 cm |
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| Rear tread | 33 to 40.3 inches | 83 to 102 cm |
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Height| Hood | 47.5 inches | 120 cm |
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| ROPS | 76.7 inches | 194 cm |
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| Exhaust | 73 inches | 185 cm |
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