Contents
Dimensions
| Length | 162.7 in (4130 mm) |
| Wheelbase | 94.5 in (2400 mm) |
| Width | 61.8 in (1560 mm) |
| Height | 98.3 in (2490 mm) |
| Ground Clearance (front axle), 2WD | 23.1 in (580 mm) |
| Ground Clearance (front axle), 4WD | 18 in (450 mm) |
| Front Tread (2WD) | 58.7 to 101.7 in (1490 to 2580 mm) |
| Front Tread (4WD) | 59.7 to 79.4 in (1510 to 2010 mm) |
| Rear Tread (2WD / 4WD) | 63.1 to 90.6 in (1600 to 2300 mm) |
| Front Tire Size (2WD) | 10.00-16 |
| Front Tire Size (4WD) | 13.6-24 |
| Rear Tire Size (2WD / 4WD) | 18.4-34 |
Weight
| Operating Weight, 4WD, Cab | 11110 lb (5039 kg) |
| Shipping Weight, 2WD | 10064 lb (4565 kg) |
| Shipping Weight, 4WD | 10474 lb (4751 kg) |
| Max Capacity | 17635 lb (7999 kg) |
| Max Front Axle Load, 2WD | 11685 lb (5300 kg) |
| Max Front Axle Load, 4WD | 12125 lb (5499 kg) |
| Max Rear Axle Load | 14325 lb (6497 kg) |
Engine Details
| Engine Model | John Deere 4045HL070 | John Deere 4045HL473 |
|---|---|---|
| Number Of Cylinders | 4 | 4 |
| Displacement | 275 cu in (4.5 L) | 275 cu in (4.5 L) |
| Bore | 4.17 in (106 mm) | 4.17 in (106 mm) |
| Stroke | 5.00 in (127 mm) | 5.00 in (127 mm) |
| Horsepower | 110 hp (82 kw) | 110 hp (82 kw) |
| Power Measured @ | 2300 rpm | 2300 rpm |
| Peak Torque | 273 lb ft (370.2 Nm) | 346 lb ft (469.2 Nm) |
| Torque Measured @ | 1500 rpm | 1500 rpm |
| Fuel Injection | Electrical vane type fuel supply pump | Electrical vane type fuel supply pump |
| Cooling System | Water cooling, impeller pump | Water cooling, impeller pump |
| Lubrication System | Pressure lubrication, gear pump | Pressure lubrication, gear pump |
| Air Cleaner | Dry paper element | Dry paper element |
| Aspiration | Turbocharged and intercooled | Turbocharged and intercooled |
| Emission Standards | US EPA Tier 1 | US EPA Tier 2 |
Operational Specs
| Operating Weight | 11110 lb (5039 kg) |
| Operating Voltage | 12 V |
| Alternator | 90 / 115 / 150 amps |
| Battery | 12 V, 110 Ah / 12 V, 154 Ah |
| Chassis | 4×2 2WD / 4×4 MFWD 4WD |
| Max Travel Speed | 25.0 mph (40.2 km/h) |
| Steering | Hydrostatic power |
| Service Brakes | Hydraulic wet discs |
| Cab | Two-post ROPS / Cab ComfortGard (optional) |
Power Take-off (PTO)
| PTO Power (claimed) | 90 hp (67.1 kw) |
| PTO Power (tested) | 103.9 hp (77.5 kw) |
| Rear PTO Type | Independent |
| Rear PTO Speed | 540/1000 rpm |
| Rear PTO / Engine RPM | 540@2124 / 1000@2208 |
| Front PTO Speed (Optional) | 1000 rpm |
| Front PTO / Engine RPM | 1000@2185 |
Hydraulic System
| Type | Closed center pressure flow compensated |
| Pump Flow | 25 gal/min (94.6 L/min) |
| Relief Valve Setting | 2900 psi (20000 kPa) |
| 3 Point Hitch Category | Cat II |
| 3 Point Hitch Lift Capacity @ 24″ | 4745 lb (2152 kg) |
| Number of Remote Valves | 4 |
Transmission
| Model | Description |
|---|---|
| John Deere SyncroPlus | Fully synchronized transmission, 12F/4R, four ranges. Max Travel Speed 17.8 mph (28.6 km/h) |
| John Deere PowrQuad | Partial power shift transmission, 16F/16R, 4 ranges with a reverser lever. Max Travel Speed 17.8 mph (28.6 km/h) |
| John Deere PowrQuad Plus | Partial power shift transmission, 24F/24R, 6 ranges with push-button power shifting and power shuttle directional shifting. Max Travel Speed 23.3 mph (37.5 km/h) |
| John Deere IVT | Built-in creeper and left-hand reverser lever. Infinite forward and reverse. Max Travel Speed 25.0 mph (40.2 km/h) |
Service Refill Capacities
| Fuel Tank Capacity | 30.1 gal (114 L) 43.6 gal (165 L) 48.9 gal (185 L) |
| Engine Oil Capacity | 4.2 gal (16 L) |
| Cooling System Capacity | 3.6 gal (13.5 L) |
| Hydraulic / Transmission Oil Capacity (SyncroPlus) | 13.7 gal (52 L) |
| Hydraulic / Transmission (PowrReverser) | 13.7 gal (52 L) |
| Hydraulic / Transmission (PowrQuad) | 12.9 gal (49 L) |
| Hydraulic / Transmission (PowrQuad Plus w/ 16/16 Gears) | 12.9 gal (49 L) |
| Hydraulic / Transmission (PowrQuad Plus w/ 24/24 Gears) | 13.2 gal (50 L) |
| Hydraulic / Transmission (AutoQuad Plus) | 13.2 gal (50 L) |
| Hydraulic / Transmission (IVT) | 15.9 gal (60 L) |
| Extra w/ Creeper Transmission | 0.3 gal (1 L) |
| Extra w/ Front Wheel Drive | 0.8 gal (3 L) |
| Extra w/ TLS Axle | 0.8 gal (3 L) |
| Front PTO | 0.9 gal (3.5 L) |
| Front Axle Housing | 1.7 gal (6.5 L) |
| Front Final Drives | 0.2 gal (0.6 L) |
John Deere 6420 Filters
| Cab Activated Carbon Filter | AL158986 |
| Cab Fresh Air Filter (Heavy Duty) | 2x AL177185 |
| Cab Fresh Air Filter (Standard) | 2x AL177184 |
| Cab Recirculation Air Filter | 2x L155288 |
| Hydraulics Filter Element (w/o IVT, up to Serial No. 366729) | AL203060 |
| Hydraulics Filter Element (w/o IVT, from Serial No. 366730) | AL203061 |
| Hydraulics Filter Element (w/ IVT, up to Serial No. 376493) | AL118321 |
| Hydraulics Filter Element (w/ IVT, from Serial No. 37649) | AL203061 |
| Hydraulic Oil Filter (w/o IVT) | AL118036 |
| Transmission Oil Filter (w/o IVT) | AL156625 |
| Transmission Filter Element (w/ IVT) | AL118321 |
| Engine Oil Filter | RE504836 |
| Engine Fuel Filter | AL153517 |
| Engine Fuel Filter (Up to Engine Serial No. 799999) | RE62419 |
| Final Fuel Filter (From Engine Serial No. 800000) | RE509031 |
| Primary Fuel Filter (From Engine Serial No. 800000) | RE509208 |
| Engine Primary Air Filter | AL172780 |
| Engine Secondary Air Filter | AL150288 |
| Front PTO Oil Filter | L114404 |
