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Claas Axion 840 Specs ( 2018-Present )

Name: Claas Axion 840
Brand: Claas

Overview

The Claas Axion 840 is a four-wheel drive row-crop tractor that has been in production since 2018, featuring a 6.7L FPT six-cylinder turbocharged diesel engine. It is equipped with a CMATIC continuously variable transmission and is rated at 230 hp with a category III rear hitch capacity of 21,330 lbs. The tractor's configuration include a standard air-conditioned cab, a 117.5-inch wheelbase, and an operating weight of 22,365 lbs.

Ideal Applications

Tested Performance Results: According to Nebraska Tractor Test data, this model achieved a maximum PTO power of 234.45 hp and a maximum drawbar pull of 22,061 lbs.

Transmission and Drive Configuration: The tractor utilizes a CMATIC continuously variable transmission system providing infinite forward and reverse gears paired with a four-wheel drive mechanical system.

Hydraulic and Lift Specifications: The PFC hydraulic system is rated for a pump flow of 40 gpm at 2901 psi, supporting a rear lift capacity of 21,330 lbs and an optional front lift of 7,275 lbs.

Production

Description	Row-Crop tractor
Manufacturer	Claas

Engine

Engine type	FPT 6.7L 6-cyl diesel
Exhaust fluid (DEF)	11 gal (41.6 L)
Fuel tank	120 gal (454.2 L)
Bore/Stroke	4.09x5.20 inches (104 x 132 mm)
Description	FPT / turbocharged intercooled diesel / 6-cylinder / liquid-cooled
Displacement	410.6 ci (6.7 L)
Emission control	selective catalytic reduction
Emissions	Tier IV
Oil change	600 h
Power	230 hp (171.5 kW)
Rated RPM	2200
Starter	electric
Starter volts	12
Torque	667.5 lb-ft (905.1 Nm)
Torque RPM	1500
Drawbar (tested)	188.5 hp (140.6 kW)
PTO (claimed)	225 hp (167.8 kW)
PTO (tested)	217.69 hp (162.3 kW)

Transmission

Description	continuously variable transmission
Gears	infinite forward and reverse
Transmission	CMATIC
Transmission type	24-speed
Type	continuously variable transmission

Mechanical

Cab	Cab standard with air-conditioning.
Description	Power steering / Wet disc brakes
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	21,330 lbs (9675 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	480/70R30
Ag rear	620/70R42
Ground clearance	23.1 inches (58 cm)
Height	126.1 inches (320 cm)
Length	223 inches (566 cm)
Operating weight	22365 lbs (10144 kg)
Weight	16,350 lbs (7416 kg)
Wheelbase	117.5 inches (298 cm)
Front tire	480/70R30
Rear tire	620/70R42
Weight	22365 lbs (10144 kg)
Wheelbase	117.5 inches (298 cm)

OCED Tractor Test 2181

Description	Diesel IVT 4WDSeptember 25 - 29, 2017Link: OCED Tractor Test 2181 file / PTO performance / Drawbar performance / Pull at 9 KPH / Pull at 4 KPH
Fuel use	12.0 gal/hour (45.4 l/hour) / 12.5 gal/hour (47.3 l/hour) / 12.0 gal/hour (45.4 l/hour)
Max power	188.5 hp (140.6 kW)
Max pull	22001 lbs (9979 kg)
Power at rated engine speed	217.69 hp (162.3 kW)
Power at rated PTO speed	234.45 hp (174.8 kW)

Nebraska Tractor Test Results

Test #2181

Download PDF

Test Date: September 25 to 29, 2017

Location: Nebraska Tractor Test Laboratory, University of Nebraska, Lincoln, Nebraska 68583-0832

This 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.

PTO Drawbar Hydraulics Technical Sound Tires & Weight

Maximum Power & Fuel Consumption

Rated Engine Speed

217.69 hp

N/A lb/hp·hr

Standard PTO Speed

234.45 hp

@ N/A rpm PTO

Torque Statistics

Maximum Torque	744 lb-ft (1,008 Nm)
Torque Rise	39.8%
At Engine RPM	1349 rpm

PTO Power Curve

Varying Power & Fuel Consumption

Click column headers to sort

Power	RPM	gal/hr	lb/hp·hr	hp·hr/gal	DEF gal/hr
217.69	2150	12.02	0.39	18.11	0.81
187.83	2182	10.63	0.40	17.68	0.69
140.98	2186	8.32	0.41	16.95	0.54
94.09	2189	6.16	0.46	15.26	0.40
47.28	2194	4.17	0.62	11.35	0.25
1.80	2198	2.24	8.71	0.80	0.16

Fuel Consumption Characteristics

Click column headers to sort

Condition	Power	Pull (lbs)	Speed	Slip	Air °F	Cool °F	inHg
Power at Rated Engine Speed—5.6 mph (9.0...	188.50	12,760	5.54	3.30	55	194	29.05
75% of Pull at Rated Engine Speed—5.6 mp...	142.86	9,540	5.62	2.70	72	190	28.99
50% of Pull at Rated Engine Speed—5.6 mp...	96.35	6,358	5.68	1.90	72	199	28.99
75% of Pull at Reduced Engine Speed—Auto...	142.37	9,515	5.61	2.70	72	212	28.99
50% of Pull at Reduced Engine Speed—Auto...	96.31	6,357	5.68	1.90	72	210	28.99

Manual Mode 2150 Engine RPM

Click column headers to sort

Setting	Power	Pull (lbs)	Speed	Slip	DEF lb/hp	inHg	Crank Shaft RPM	Fuel Hp Hr Gal	Fuel Lb Hp Hr	Temp Air F	Temp Coolant F
2.5 mph	140.67	22,001	2.40	12.90	0.05	29.02	2164	13.54	0.52	56	202
3.1 mph	156.41	19,281	3.04	6.20	0.04	29.02	2150	15.05	0.47	57	202
3.7 mph	158.24	16,415	3.62	4.70	0.04	29.03	2151	15.34	0.46	59	200
4.2 mph	165.77	15,067	4.13	4.30	0.04	29.02	2150	15.07	0.46	62	193
4.7 mph	179.76	14,897	4.53	4.00	0.04	29.05	2150	14.98	0.47	53	196
5.1 mph	184.23	13,941	4.96	3.60	0.04	29.05	2150	15.37	0.46	54	195
5.6 mph	188.50	12,760	5.54	3.30	0.04	29.05	2150	15.68	0.45	55	194
6.2 mph	192.10	11,686	6.17	3.00	0.04	29.06	2150	16.04	0.44	55	194
6.8 mph	192.74	10,808	6.69	2.80	0.04	29.05	2150	16.03	0.44	56	190
7.5 mph	193.15	9,695	7.47	2.50	0.04	29.06	2150	16.24	0.43	57	190
8.1 mph	191.01	8,927	8.03	2.30	0.04	29.06	2150	16.07	0.44	57	190

Manual Mode 1850 Engine RPM

Click column headers to sort

Setting	Power	Pull (lbs)	Speed	Slip	DEF lb/hp	inHg	Crank Shaft RPM	Fuel Hp Hr Gal	Fuel Lb Hp Hr	Temp Air F	Temp Coolant F
2.5 mph	141.10	22,061	2.40	12.80	0.05	29.02	2164	13.45	0.52	56	201
3.1 mph	161.35	20,808	2.91	8.00	0.04	29.02	2097	14.71	0.48	59	201
3.7 mph	168.46	18,378	3.44	5.70	0.04	29.02	2060	15.52	0.45	61	195
4.2 mph	176.95	17,204	3.86	5.10	0.04	29.02	2027	15.24	0.46	63	192
4.7 mph	181.41	15,980	4.26	4.70	0.04	29.02	2012	15.33	0.46	66	195
5.1 mph	192.80	15,830	4.57	4.60	0.04	29.02	1965	15.97	0.44	66	193
5.6 mph	197.90	15,278	4.86	4.40	0.04	29.02	1911	16.27	0.43	66	192
6.2 mph	201.22	14,390	5.24	4.10	0.04	29.02	1850	16.45	0.43	68	185
6.8 mph	203.74	13,180	5.80	3.80	0.04	29.01	1850	16.75	0.42	68	185
7.5 mph	205.43	12,054	6.39	3.20	0.04	29.06	1850	16.77	0.42	57	192
8.1 mph	205.03	11,211	6.86	2.90	0.04	29.05	1850	16.56	0.42	58	191
8.9 mph	202.43	10,072	7.54	2.60	0.04	29.06	1850	16.52	0.42	59	191
9.9 mph	193.71	8,521	8.53	2.30	0.04	29.05	1850	15.82	0.44	60	194

Automatic Mode

Click column headers to sort

Setting	Power	Pull (lbs)	Speed	Slip	DEF lb/hp	inHg	Crank Shaft RPM	Fuel Hp Hr Gal	Fuel Lb Hp Hr	Temp Air F	Temp Coolant F
3.2 mph	156.20	19,197	3.05	6.80	0.04	29.01	1597	15.25	0.46	69	197
3.7 mph	158.25	16,361	3.63	4.90	0.04	29.00	1613	15.73	0.45	71	198
4.2 mph	165.51	14,803	4.19	4.30	0.04	29.00	1654	16.02	0.44	72	196
4.7 mph	179.69	14,691	4.59	4.00	0.04	29.05	1551	16.64	0.42	62	200
5.1 mph	184.10	14,015	4.93	3.60	0.04	29.04	1558	16.95	0.41	62	199
5.6 mph	187.90	12,751	5.53	3.30	0.04	29.05	1653	16.56	0.42	64	194
6.2 mph	191.79	11,904	6.04	3.20	0.04	29.04	1654	16.82	0.42	65	192
6.8 mph	192.20	10,870	6.63	2.90	0.04	29.03	1666	16.68	0.42	68	189
7.5 mph	193.16	9,771	7.42	2.60	0.04	29.03	1761	16.64	0.42	68	189
8.1 mph	191.52	9,048	7.94	2.40	0.04	29.03	1728	16.18	0.43	68	190

Category: III Quick Attach: Yes

Lift Capacity

Three Outlet Sets Combined

Sustained Pressure	2,765 psi
Delivery Pressure	2,485 psi
Flow Rate (min press)	39.70 gpm
Max Power	54.10 hp

Single Outlet Set

Sustained Pressure	2,747 psi
Delivery Pressure	2,270 psi
Flow Rate (min press)	29.90 gpm
Max Power	38.00 hp

Engine

Make	F.P.T. Diesel
Type	six cylinder vertical with turbocharger, air to air intercooler and D.E.F. (diesel exhaust fluid) exhaust treatment
Displacement	410 cu in (6728 ml)
Compression Ratio	17.5 to 1
Rated Engine Speed	2150 rpm
Air Cleaner	two paper elements and aspirator
Exhaust	DOC (diesel oxidation catalyst) and SCR (selective catalyst reduction) integrated within a vertical muffler
Crankshaft	lengthwise

Chassis

Type	front wheel assist with duals
Steering	hydrostatic
Transmission	Infinitely variable with four mechanical ranges and automatic shifting between ranges
Wheelbase	117.30 in (2980 mm)
Front Tread Width	61.0 (1550 mm) to 88.6 (2250 mm) in
Rear Tread Width	61.4 (1560 mm) to 124.0 (3150 mm) in
Brakes	wet disc hydraulically operated by two foot pedals that can be locked together
Hydraulic Control	direct engine drive
Unladen Tractor Mass	22,365 lbs ( 10,145 kg )

Consumables

Fuel	No. 2 Diesel
DEF Fluid	32% aqueous urea solution
Transmission	Claas Agrishift GA12 fluid
Hydraulic	Claas Agrishift GA12 fluid

Sound Levels

Bystander	82.70 dB(A)
At No Load 4.6 Mph 1110 RPM Disengaged	66.10 dB(A)
At No Load 4.6 Mph 1110 RPM Engaged	68.60 dB(A)
At No Load 4.6 Mph 2190 RPM Disengaged	69.60 dB(A)
At No Load 4.6 Mph 2190 RPM Engaged	73.40 dB(A)

Tires & Tracks

Rear Tires	Four 480/80R46; ***; 12 (85) psi (kPa)
Front Tires	Two 380/85R34; ***; 21 (145) psi (kPa)
Height of Drawbar	21.00 in (535 mm)

Static Weight

Rear	13,990 lbs
Front	8,550 lbs
Total	22,540 lbs

Claas Axion 840 Specs ( 2018-Present )

Overview

Ideal Applications

Production

Engine

Transmission

Mechanical

Hydraulics

Hitch

PTO

Electrical

Dimensions & Tires

OCED Tractor Test 2181

Nebraska Tractor Test Results

PTO Performance

Maximum Power & Fuel Consumption

Torque Statistics

PTO Power Curve

Varying Power & Fuel Consumption

Drawbar Performance

Fuel Consumption Characteristics

Manual Mode 2150 Engine RPM

Manual Mode 1850 Engine RPM

Automatic Mode

Hydraulic Performance

Lift Capacity

Three Outlet Sets Combined

Single Outlet Set

Technical Specifications

Engine

Chassis

Consumables

Sound Levels

Sound Levels

Tires & Weight

Tires & Tracks

Static Weight

Test Remarks