Claas Axion 840

Last Updated: July 2024

Overview

The Claas Axion 840 is a row-crop tractor built for operations that require a precise and powerful machine. It offers a robust 4WD system and comes with a 6-cylinder turbocharged and intercooled diesel engine that is liquid-cooled. This model provides a maximum power output of 234.45 hp at 1930 rpm, with a maximum torque of 744 lb-ft at 1349 rpm and a torque rise of 39.8%. The Axion 840 utilizes a Continuously Variable Transmission with four mechanical ranges and automatic shifting. This versatile tractor is equipped with power steering for ease of control, meeting the demands for challenging tasks and prolonged use. The Model 840 follows Tier IV emissions standards and incorporates selective catalytic reduction technology to reduce its environmental impact, marking its stride in eco-friendly advancements. It has an operating weight of 22,540 lbs and detailed specifications for tread width, wheelbase, and weight distribution.
Show more...

Key Specifications

Category: Row Crop

Power Output: 234.45

Transmission: Continuously Variable Transmission

Drive Type: 4WD

Operating Weight: 22,540

Fuel Type: Diesel

Claas Axion 840 vs. Similar Tractors

Power Output
Excellent
Greater than 96% of similar tractors.

Technical Specifications

Engine

Manufacturer
-
Model
-
Cooling Type
Liquid-cooled
Cylinder Orientation
-
Valve Configuration
-
Fuel Type
Diesel
Induction Type
Turbocharged, Intercooled
Cylinders
6
Displacement (ci)
410
Bore (in)
4.09
Stroke (in)
5.2
Rated RPM
2200
Power Output (hp)
234.45

Transmission

Type
Continuously Variable Transmission
Forward Gears
Continuously variable with four mechanical ranges and automatic shifting
Reverse Gears
Continuously variable with four mechanical ranges and automatic shifting
Total Gears
-

Dimensions

Length (in)
223
Width (in)
-
Height (in)
126.1
Operating Weight (lb)
22,540

Power Take-Off (PTO)

PTO Type
-
PTO Speed 1 (rpm)
-
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x4 MFWD 4WD
Drive Type
4WD
Steering Type
Power
Coolant Capacity (qts)
-
Front Tire Diameter (in)
-
Front Tire Width (in)
-
Rear Tire Diameter (in)
-
Rear Tire Width (in)
-
Front/Rear Rim Diameter (in)
-
Tire Type
-
Manufacture - End Year
-
Hitch Type
-
Hitch Category
III
Hitch Position
-
Hitch Capacity (lb)
-
Operator Station Type
-
Starter Type
Electric
Brake Type
-
Hydraulic System Type
PFC

Test Results

Nebraska Tractor Test Laboratory - Test Date: September 25 to 29, 2017

Maximum Power and Fuel Consumption

  • Maximum Power: 234.45 HP (174.83 kW) at 1930 rpm
  • Fuel Consumption at Maximum Power: 12.46 Gal/hr (47.16 l/h) with a fuel efficiency of 0.372 lb/hp.hr (0.226 kg/kW.h)
  • DEF Consumption: 0.81 Gal/hr (3.07 l/h)

Drawbar Performance

  • Power at Rated Engine Speed (5.6 mph - Manual mode): 188.50 HP (140.56 kW) with a drawbar pull of 12760 lbs (56.76 kN) and a speed of 5.54 mph (8.92 km/h)
  • Fuel Consumption at Rated Speed: 0.446 lb/hp.hr (0.271 kg/kW.h) with a fuel efficiency of 15.68 Hp.hr/gal (3.09 kW.h/l)

Torque and Engine Performance

  • Maximum Torque: 744 lb.-ft. (1008 Nm) at 1349 rpm
  • Torque Rise: 39.8% with a power increase at 1851 engine rpm of 7.3%

Hydraulic Performance

  • Maximum Force Exerted: 17408 lbs (77.4 kN) at hitch points
  • Pump Delivery Rate:
  • Combined Outlets: 39.7 GPM (150.4 l/min) at minimum pressure and rated engine speed
  • Single Outlet: 29.9 GPM (113.2 l/min) at minimum pressure and rated engine speed
  • Hydraulic Power: 54.1 HP (40.3 kW) at delivery pressure of 2485 psi (171 bar)

Overall Efficiency

  • Fuel Efficiency at Standard PTO Speed (1000 rpm): 18.82 Hp.hr/gal (3.71 kW.h/l)
  • Fuel Consumption: 12.46 Gal/hr (47.16 l/h) at 1930 rpm

    NTTL.(2017). Nebraska OECD tractor test 2181 for Claas Axion 840 Diesel. Lincoln, NE:Nebraska Tractor Test Laboratory. Retrieved from http://tractortestlab.unl.edu