The John Deere 670 is a 2WD or 4WD compact utility tractor from the 70 Compact series. This tractor was manufactured by Yanmar for distributor John Deere in Japan from 1989 to 1997. The John Deere 670 is equipped with a 0.9 L (54.0 cu·in) three-cylinder diesel engine and a unsynchronized sliding gear transmission with 8 forward and 2 reverse gears.
The John Deere 670 compact utility tractor used the Yanmar 3TNA72 engine. It is a 0.9 L, 885 cm2, (54.0 cu·in) three-cylinder natural aspirated diesel engine with 72.0 mm (2.83 in) of the cylinder bore and 72.0 mm (2.83 in) of the piston stroke. The compression ratio rating is 22.3:1. This engine produced 18.8 PS (13.8 kW; 18.5 HP) at 2,850 rpm of output power.
The JD 670 is equipped with manual or hydrostatic power (optional) steering, two-post ROPS, and 23.8 liters (6.3 US gal.; 5.2 Imp. gal) fuel tank.
Following attachments are available for the John Deere 670 compact utility tractor:
- Mid-mount John Deere 1520 mm (60 in) mower deck with 3-blades
- John Deere 60 loader
- John Deere 7 backhoe
John Deere 670 Specifications
| General Specifications | |
| Model | John Deere 670 |
| Length | 2,760 mm (108.7 in) |
| Width | 1,080 mm (42.5 in) |
| Height | 1,940 mm (76.4 in) |
| Wheel base | 1,420 mm (55.9 in) |
| Ground clearance | 240 mm (9.4 in) |
| Weight | 784 kg (1,728 lbs) |
| Fuel tank capacity | 23.8 liters (6.3 US gal.; 5.2 Imp. gal) |
| Battery | 12V, CCA 420A |
| Cabin type | Two-post ROPS |
| Engine | |
| Engine model | Yanmar 3TNA72 |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 3 |
| Fuel type | Diesel |
| Displacement | 0.9 L, 885 cm2, (54.0 cu·in) |
| Bore and stroke | 72.0 mm X 72.0 mm (2.83 in X 2.83 in) |
| Compression ratio | 22.3:1 |
| Horsepower | 18.8 PS (13.8 kW; 18.5 HP) at 2,850 rpm |
| Starter | Electric |
| Oil capacity: | 2.6 L (2.7 US. qt, 2.3 Imp. qt.) |
| Coolant capacity: | 3.8 L (4 US. qt, 3.3 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×2 2WD or 4×4 MFWD 4WD |
| Steering type | Manual or hydrostatic power (optional) |
| Brakes | – |
| Transmission model | – |
| Transmission type | Unsynchronized sliding gear |
| Gears | 8 forward and 2 reverse |
| Speed | Forward: 16.7 kmh (10.4 mph) Reverse: 4.8 (3 mph) |
| Transmission oil capacity | 15.1 L (4 US. gal, 3.3 Imp. gal.) |
| Tires | |
| Front tires | Ag: 5.00-12 (2WD), 6-12 (4WD) |
| Rear tires | Ag: 9.5-16 |
| Three-Point Hitch | |
| Caterogy | I |
| Control type | – |
| Lift capacity (at 610 mm/24 in) | 360 kg (794 lbs) |
| PTO (Power take-off shaft) | |
| Middle PTO type | – |
| Middle PTO speed | 2,100 rpm |
| Rear PTO type | Transmission or live (option) |
| Rear PTO speed | 540 rpm |
| Hydraulic system | |
| Hydraulic type | Open center |
| Hydraulic capacity | 15.1 L (15.96 US. qt, 13.29 Imp. qt.) |
| Pressure | 2050 psi (141.3 bar) |
| Total flow | 5.5 gpm (20.8 lpm) |
What kind of hydraulic fluid goes in the 670 John Deere?
What size bush hog is recommended for my 670? 4 ft or 5 ft