Overview
The Claas Axion 820 is a four-wheel drive row-crop tractor produced between 2006 and 2016, featuring a 6.8L six-cylinder intercooled turbocharged diesel engine. It is equipped with a CMATIC continuously variable transmission, a Category III rear hitch, and a standard air-conditioned cab.
Ideal Applications
Production
| Description | Row-Crop tractor |
|---|---|
| Manufacturer | Claas |
Engine
| Engine type | DPS 6.8L 6-cyl diesel |
|---|---|
| Exhaust fluid (DEF) | 11 gal (41.6 L) |
| Fuel tank | 107.5 gal (406.9 L) |
| Bore/Stroke | 4.09x5.20 inches (104 x 132 mm) |
| Description | DPS / intercooled turbocharged diesel / 6-cylinder / liquid-cooled |
| Displacement | 414.2 ci (6.8 L) |
| Emission control | selective catalytic reduction |
| Emissions | Tier IV |
| Oil change | 600 h |
| Power | 197 hp (146.9 kW) |
| Rated RPM | 2200 |
| Starter | electric |
| Starter volts | 12 |
| Torque | 626.9 lb-ft (850.1 Nm) |
| Torque RPM | 1500 |
| Drawbar (tested) | 168.63 hp (125.7 kW) |
| PTO (claimed) | 209 hp (155.9 kW) |
| PTO (tested) | 215.43 hp (160.6 kW) |
Transmission
| Description | continuously variable transmission |
|---|---|
| Gears | 24 forward and reverse |
| Transmission | CMATIC |
| Transmission type | 24-speed |
| Type | continuously variable transmission |
Mechanical
| Cab | Cab standard with air-conditioning. |
|---|---|
| Description | cab with A/C |
| Drive type | Four-wheel drive |
Hydraulics
| Front valves | 2 OptOptional |
|---|---|
| Pressure | 2901 psi (200.0 bar) |
| Pump flow | 40 gpm (151.4 lpm) |
| Rear valves | 4 or 5 |
| Total flow | 29.06 gpm (110.0 lpm) |
| Type | PFC |
| Valves | 3 to 5 |
Hitch
| Front lift | 7,275 lbs (3299 kg) |
|---|---|
| Rear lift | 20,860 lbs (9462 kg) |
| Rear Type | III |
PTO
| Front PTO | optional |
|---|---|
| Front PTO Type | 1000 |
| Rear PTO | independent |
| Rear PTO Type | 540/1000 |
Electrical
| Battery volts | 12 |
|---|---|
| Ground | negative |
Dimensions & Tires
| Ag front | 16.9R28 |
|---|---|
| Ag rear | 20.8R38 |
| Ground clearance | 20.3 inches (51 cm) |
| Height | 124.1 inches (315 cm) |
| Length | 223 inches (566 cm) |
| Operating weight | 21635 lbs (9813 kg) |
| Weight | 15,760 lbs (7148 kg) |
| Wheelbase | 117.5 inches (298 cm) |
| Front tire | 16.9R28 |
| Rear tire | 20.8R38 |
| Weight | 15,760 lbs (7148 kg) |
| Wheelbase | 117.5 inches (298 cm) |
OCED Tractor Test 2180
| Description | Diesel IVT 4WDSeptember 12 - 29, 2017Link: OCED Tractor Test 2180 file / PTO performance / Drawbar performance / Pull at 9 KPH / Pull at 4 KPH |
|---|---|
| Fuel use | 11.4 gal/hour (43.1 l/hour) / 11.2 gal/hour (42.4 l/hour) / 11.5 gal/hour (43.5 l/hour) / 11.2 gal/hour (42.4 l/hour) |
| Max power | 215.43 hp (160.6 kW) / 168.63 hp (125.7 kW) |
| Max pull | 20171 lbs (9149 kg) |
| Power at rated engine speed | 199.49 hp (148.8 kW) |
| Power at rated PTO speed | 212.48 hp (158.4 kW) |
Nebraska Tractor Test Results
Test #2180This section is compiled from original Nebraska Tractor Test PDFs using AI-assisted extraction and human review. For full verification, download the source PDF above. Differences between reports, incomplete source data, and occasional extraction or data entry mistakes can occur.
Maximum Power & Fuel Consumption
Torque Statistics
| Maximum Torque | 704 lb-ft (955 Nm) at 1400 rpm |
|---|---|
| Torque Rise | 44.6% |
PTO Power Curve
Maximum Power & Fuel Consumption Details
| Condition | HP | kW | RPM | PTO RPM | Fuel gal/hr | Fuel L/hr | DEF gal/hr | DEF L/hr |
|---|---|---|---|---|---|---|---|---|
| Rated Engine Speed | 199.49 | 148.76 | 2150 | 1114 | 11.24 | 42.53 | 0.69 | 2.61 |
| Maximum Power (1 Hour) | 215.43 | 160.64 | 1801 | 11.40 | 43.16 | 0.71 | 2.70 |
Varying Power & Fuel Consumption
Click column headers to sort
| Power | RPM | gal/hr | lb/hp·hr | hp·hr/gal | DEF gal/hr |
|---|---|---|---|---|---|
| 199.49 | 2150 | 11.24 | 0.39 | 17.75 | 0.69 |
| 172.14 | 2183 | 9.91 | 0.40 | 17.38 | 0.64 |
| 129.40 | 2187 | 7.85 | 0.42 | 16.49 | 0.50 |
| 86.46 | 2190 | 5.90 | 0.48 | 14.66 | 0.39 |
| 43.44 | 2193 | 4.06 | 0.65 | 10.70 | 0.25 |
| 1.93 | 2196 | 2.34 | 8.50 | 0.82 | 0.14 |