Claas Axion 840
The Claas Axion 840 is a tractor produced by Claas. It is equipped with a 410.6 ci 6.7 L engine. The listed engine power is Diesel (listed): 230 hp / 171.5 kW. Transmission: CMATIC. Operating weight: 22365 lbs 10144 kg.
Engine Power
Diesel (listed): 230 hp / 171.5 kW
Fuel & Capacities
120 gal
454.2 L
Transmission
CMATIC
Operating Weight
22365 lbs
10144 kg
Overview
![]() | 2018 -
Axion 800 SeriesRow-Crop tractor |
|---|---|
2018 - | |
Axion 800 Series | |
Row-Crop tractor | |
Production | |
|---|---|
Manufacturer | Claas |
Row-Crop tractor | |
Claas Axion 840 Engine | |
|---|---|
FPT 6.7L 6-cyl diesel | |
Fuel tank | 120 gal
454.2 L |
Exhaust fluid (DEF) | 11 gal
41.6 L |
Engine details ... | |
Claas Axion 840 Transmission | |
|---|---|
continuously variable transmission | |
Transmission details ... |
Claas Axion 840 Power | |
|---|---|
Engine | 230 hp
171.5 kW |
PTO (claimed) | 225 hp
167.8 kW |
Drawbar (tested) | 188.5 hp
140.6 kW |
PTO (tested) | 217.69 hp
162.3 kW |
Performance test details ... | |
Mechanical | |
|---|---|
Four-wheel drive | |
Power steering | |
Wet disc brakes | |
Cab standard with air-conditioning. |
Hydraulics | |
|---|---|
Rear valves | 4 or 5 |
Front valves | 2 OptOptional |
Pump flow | 40 gpm
151.4 lpm |
Tractor hitch | |
|---|---|
Rear Type | III |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540/1000 |
Dimensions & Tires | |
|---|---|
Weight | 22365 lbs
10144 kg |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Engine
Engine Detail — 410.6 ci / 6.7 L Diesel
Manufacturer | FPT |
Configuration | turbocharged intercooled diesel, 6-cylinder, liquid-cooled |
Displacement | 410.6 ci
6.7 L |
Bore/Stroke | 4.09x5.20 inches
104 x 132 mm |
Emissions | Tier IV |
Emission control | selective catalytic reduction |
Power | 230 hp
171.5 kW |
Starter | electric |
Starter volts | 12 |
Oil change | 600 h |
Transmission
Transmission — CMATIC
Transmission | CMATIC |
Type | continuously variable transmission |
Gears | infinite forward and reverse |
Dimensions
Claas Axion 840 Tires |
|---|
Dimensions | |
|---|---|
Operating weight | 22365 lbs
10144 kg |
Tests
OCED Tractor Test 2181 | |
|---|---|
Diesel IVT 4WD
September 25 - 29, 2017
Link: OCED Tractor Test 2181 file | |
PTO performance | |
Power at rated engine speed | 217.69 hp
162.3 kW |
Fuel use | 12.0 gal/hour
45.4 l/hour |
Power at rated PTO speed | 234.45 hp
174.8 kW |
Fuel use | 12.5 gal/hour
47.3 l/hour |
Drawbar performance | |
Max power | 188.5 hp
140.6 kW |
Fuel use | 12.0 gal/hour
45.4 l/hour |
Pull at 9 KPH | |
Max pull | 22001 lbs
9979 kg |
Pull at 4 KPH | |
Photos
Recommended Implements & Sizing Guide
Engineering recommendations for Claas Axion 840 based on its 230 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 8+ Bottom On-Land Hitch8+ 铧重型机外牵引犁 | Commercial / Field Scale | High horsepower articulated/4WD field plowing. |
Rotary Cutter / MowerMowing & Clearing | 15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼 | Commercial / Field Scale | Large commercial field and roadside mowing operations. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 24 to 36 ft Heavy Duty Field Disc7.3 - 11.0 m 超宽重型整地耙 | Commercial / Field Scale | Broad-acre grain tillage for high-drawbar tractors. |
Hay BalerHay & Forage | Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m) | Commercial / Field Scale | High-capacity commercial forage harvesting (1000 RPM PTO). |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Claas Axion 840.
Estimated Continuous Field Runtime: 10 hrs
Approximately 10 hours of continuous field operation at ~75% rated power on a full tank (120 gal / 454.2 L).
Estimated 75% Load Fuel Burn~12 gal/hr (45.3 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Claas Axion 840 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Claas Axion 840.
Converted Equivalents:
Horsepower (HP)230 hp
Kilowatts (kW)171.5 kW
Metric Horsepower (PS / CV)233.2 PS
Direct Competitor Comparison
Compare Claas Axion 840 against same-era industry alternatives in the same horsepower class.
Current Model
Claas
Claas Axion 840
Engine Power:Diesel (listed): 230 hp / 171.5 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 7288
Engine Power:210
Production Years:1985 - 1985
Related models
Claas Axion 800
- Power:
- 193
- Production years:
- 2014 - 2024
Claas Axion 810
- Power:
- 200
- Production years:
- 2018 - 2026
Claas 836
- Power:
- 205
- Production years:
- 2002 - 2003
Claas 35
- Power:
- 210
- Production years:
- 1995 - 1998
Claas Axion 820
- Power:
- 215
- Production years:
- 2018 - 2026

