John Deere
3420
Farm tractor · 1970–1975 · 77 hp
John Deere3420
The John Deere 3420 is a farm tractor manufactured from 1970 to 1975. It features a 77 hp engine, and power steering. The transmission is a synchromesh type with 8 forward and 2 reverse.
Engine
| Fuel Type | diesel |
|---|---|
| Cylinders | 6 |
| Cooling | liquid-cooled inline |
| Displacement | 302.7 ci (5 L) |
| Bore | 4.02 in (102 mm) |
| Stroke | 4.33 in (110 mm) |
| Compression Ratio | 16.7 |
| Power Gross | 77 hp (57.4 kW) |
| Power Rated | 77 hp (57.4 kW) |
| Torque Peak | 221 lb-ft (299.7 Nm) |
| Torque Peak | 1,250 RPM |
| Air Cleaner | dry |
| Starter Volts | 12 |
| Manufacturer | John Deere |
| Rated | 2,500 RPM |
Transmission
| Transmission Type | synchromesh |
|---|---|
| Transmission Model | Syncro-Range |
| Gears | 8 forward and 2 reverse |
| Available Options | 8-speed |
Hydraulics
| Type | closed center |
|---|
PTO
| Rear Type | independent |
|---|
Hitch
| Rear Type | II |
|---|
Dimensions
| Length | 161 in (408 cm) |
|---|---|
| Height | 67.3 in (170 cm) |
| Wheelbase | 100.4 in (255 cm) |
| Ground Clearance | 13.4 in (34 cm) |
Weight
| Weight | 7,668 lbs (3,478 kg) |
|---|---|
| Shipping | 7,668 lbs (3,478 kg) |
Tires & Tracks
| Front Ag | 6.00x16, 7.50x18 |
|---|---|
| Rear Ag | 18.4x34, 13.6x38, 15.5x38, 23.1x26 |
Fuel
| Capacity | 34.1 gal (129.1 L) |
|---|
Steering
| Type | power |
|---|