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Challenger MT845E Specs ( 2014-2020 )

Name: Challenger MT845E
Brand: Challenger

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Nebraska Test #2166

Challenger MT845E

Max Drawbar HP 370.6 hp

Max Pull 45,821 lbs

Max Torque 1464 lb-ft

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Overview

The Challenger MT845E is an agricultural crawler tractor manufactured between 2014 and 2020 in Jackson, Minnesota, featuring an AGCO Power 16.8L 12-cylinder diesel engine. This model is equipped with a Caterpillar 16-speed full power shift transmission and a closed-center pressure flow compensated hydraulic system with a pump flow of 58.1 gpm.

Ideal Applications

Engine and PTO Performance: The 12-cylinder turbocharged engine is rated at 450 gross hp and achieved a tested maximum PTO output of 421.56 hp at 2100 rated RPM.

Tested Drawbar and Pull Capacity: According to Nebraska Tractor Test data, this crawler reached a maximum pull of 45,821 lbs and recorded a tested maximum drawbar power of 370.56 hp.

Chassis and Operational Configuration: The machine utilizes a crawler drive system with available track widths ranging from 18 to 36 inches and supports a maximum weight capacity of 55,913 lbs.

Production

Description	Agricultural Crawler tractor / Built in Jackson, Minnesota, USA
Manufacturer	Challenger (a part of AGCO)

Engine

Engine type	AGCO Power 16.8L 12-cyl diesel
Exhaust fluid (DEF)	30.5 gal (115.4 L)
Fuel tank	330 gal (1249.0 L)
Bore/Stroke	4.370x5.709 inches (111 x 145 mm)
Description	AGCO Power / turbocharged diesel / 12-cylinder 48-valve / liquid-cooled
Displacement	1027.5 ci (16.8 L)
Emission control	selective catalytic reduction (SCR)
Emissions	Tier IV
Maximum Power	486 hp (362.4 kW)
Power (gross)	450 hp (335.6 kW)
Rated RPM	2100
Starter	electric
Starter volts	12
Torque	1604 lb-ft (2175.0 Nm)
Torque RPM	1500
Drawbar (tested)	324.23 hp (241.8 kW)
Engine (gross)	450 hp (335.6 kW)
PTO (claimed)	365 hp (272.2 kW)
PTO (tested)	421.56 hp (314.4 kW)

Transmission

Clutch	hydraulic wet disc
Gears	16 forward and 4 reverse
Transmission	Caterpillar
Transmission type	16-speed full power shift
Type	full power shift

Mechanical

Cab	Cab standard with air-conditioning.
Drive	crawler
Steering	power differential

Hydraulics

Pressure	2900 psi (200.0 bar)
Pump flow	58.1 gpm (219.9 lpm)
SCV flow	26.4 gpm (99.9 lpm)
Type	closed center pressure flow compensated
Valves	4 to 6

Hitch

Drawbar	Cat. 4
Rear lift	19500 lbs (8845 kg)

PTO

Clutch	electronic
Rear PTO	independent
Rear PTO Type	1000 (1.75)

Electrical

Batteries	4
Battery CCA	1000
Battery volts	12
Charging amps	300 (2x 150)
Charging system	alternator
Ground	negative

Dimensions & Tires

Description	Bar rear axle
Front axle	Bar
Gauge	90 to 128 inches (228 to 325 cm)

Challenger MT845E Tracks

Width	18 inches (45 cm) / 27.5 inches (69 cm) / 30 inches (76 cm) / 36 inches (91 cm)

Challenger MT845E Weight

Max capacity	55913 lbs (25362 kg)
Max Drawbar	10000 lbs (Cat. 4) (4536 kg)
Shipping	42596 lbs (19321 kg)

Dimensions & Tracks

Description	18-inch tracks
Weight	42596 lbs (19321 kg)

OCED Tractor Test 2166

Description	Diesel 16-speed crawlerNovember 2 - 7, 2016Link: OCED Tractor Test 2166 file / PTO performance / Drawbar performance / Gear 6 used for power test. / Gear 3 used for pull test.
Fuel use	24.9 gal/hour (94.2 l/hour) / 23.8 gal/hour (90.1 l/hour) / 24.9 gal/hour (94.2 l/hour) / 23.8 gal/hour (90.1 l/hour)
Max power	421.56 hp (314.4 kW) / 324.23 hp (241.8 kW)
Max pull	45177 lbs (20492 kg)
Power at rated engine speed	369.66 hp (275.7 kW)
Power at rated PTO speed	421.56 hp (314.4 kW)

References

Description	MT700E & MT800E Series Challenger Track Tractors published in 2015, by AGCO / Challenger MT800E Series Tractors published in 2013, by AGCO / MT800E Series Tractors published in 2017, by AGCO / Challenger X-Edition published in 2015, by AGCO

Nebraska Tractor Test Results

Test #2166

Download PDF

Test Date: November 2 - 7, 2016

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

Max Power (1 Hour)

421.56 hp

@ N/A rpm

Rated Engine Speed

369.66 hp

N/A lb/hp·hr

Standard PTO Speed

421.56 hp

@ N/A rpm PTO

Torque Statistics

Maximum Torque	1464 lb.-ft. (1984 Nm) at 1100 rpm
Torque Rise	0.583%

PTO Power Curve

Maximum Power & Fuel Consumption Details

Condition	HP	kW	RPM	PTO RPM
Rated Engine Speed	369.66	275.66	2100	1061
Maximum Power (1 Hour)	421.56	314.36	1979

Varying Power & Fuel Consumption

Click column headers to sort

Power	RPM	gal/hr	lb/hp·hr	hp·hr/gal	DEF gal/hr
369.66	2100	23.77	0.45	15.55	0.66
319.88	2137	21.94	0.48	14.58	0.55
242.61	2161	18.67	0.54	13.00	0.39
162.51	2169	15.31	0.66	10.61	0.25
81.67	2175	11.81	1.01	6.92	0.09
1.65	2181	8.36	35.40	0.20	0.05

Fuel Consumption Characteristics

Click column headers to sort

Condition	Power	Pull (lbs)	Speed	RPM	Slip	Air °F	Cool °F	inHg
Power at Rated Engine Speed—6th Gear	324.23	27,190	4.48	2100	2.20	64	162	29.06
75% of Pull at Rated Engine Speed—6th Ge...	252.89	20,405	4.65	2159	1.20	73	163	29.07
50% of Pull at Rated Engine Speed—6th Ge...	170.30	13,607	4.69	2166	0.50	74	161	29.05
75% of Pull at Reduced Engine Speed—10th...	252.68	20,504	4.62	1336	1.20	73	166	29.03
50% of Pull at Reduced Engine Speed—10th...	170.13	13,630	4.68	1344	0.50	74	164	29.03

Unballasted At 2100 Engine RPM Maximum Power In Selected Gears

Click column headers to sort

Gear	Power	Pull (lbs)	Speed	RPM	Slip	hp·hr/gal	DEF lb/hp	Air °F	Cool °F	inHg	Fuel Lb Hp Hr
3rd Gear	282.47	45,177	2.35	2099	12.80	11.94	0.02	59	163	29.11	0.59
4th Gear	304.93	35,132	3.26	2097	4.50	12.84	0.02	61	163	29.13	0.55
5th Gear	320.44	30,544	3.94	2100	3.20	13.48	0.02	66	165	29.11	0.52
6th Gear	324.33	27,190	4.48	2100	2.20	13.65	0.02	64	162	29.06	0.51
7th Gear	319.45	23,586	5.08	2100	1.50	13.48	0.02	62	162	29.07	0.52
8th Gear	321.01	20,979	5.74	2100	1.30	13.49	0.02	66	163	29.06	0.52
9th Gear	312.46	18,101	6.48	2100	0.90	13.11	0.02	68	164	29.08	0.53
10th Gear	313.58	16,109	7.30	2100	0.70	13.12	0.02	71	165	29.07	0.53
11th Gear	300.53	13,663	8.25	2100	0.50	12.64	0.02	73	165	29.03	0.55

Unballasted At 1980 Engine RPM Maximum Power In Selected Gears

Click column headers to sort

Gear	Power	Pull (lbs)	Speed	RPM	Slip	hp·hr/gal	DEF lb/hp	Air °F	Cool °F	inHg	Fuel Lb Hp Hr
3rd Gear	288.31	45,821	2.36	2093	11.90	12.10	0.02	57	162	29.11	0.58
4th Gear	326.84	41,341	2.97	1982	8.00	13.51	0.02	60	165	29.12	0.52
5th Gear	357.67	37,452	3.59	1965	5.80	14.49	0.02	67	167	29.11	0.48
6th Gear	369.72	33,404	4.15	1976	3.60	14.82	0.02	53	163	29.14	0.47
7th Gear	367.42	29,053	4.74	1980	2.50	14.71	0.02	49	163	29.12	0.48
8th Gear	370.56	25,862	5.37	1980	1.90	14.84	0.02	51	164	29.12	0.47
9th Gear	365.62	22,639	6.06	1977	1.50	14.66	0.02	67	167	29.12	0.48
10th Gear	366.22	20,036	6.86	1979	0.90	14.66	0.02	68	167	29.10	0.48
11th Gear	354.07	17,137	7.75	1978	0.60	14.20	0.02	68	167	29.09	0.49
12th Gear	352.16	15,109	8.74	1979	0.50	14.17	0.02	69	168	29.11	0.49

Engine

Make	AGCO Power Diesel
Type	twelve cylinder vee with 4 turbochargers, two stage air to water aftercooler and D.E.F. (diesel exhaust fluid) exhaust treatment
Displacement	1026 cu in (16838 ml)
Compression Ratio	16.7 to 1
Rated Engine Speed	2100 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	tracklayer-rubber tracked
Steering	electro-hydraulic differential steering controlled by steering wheel
Transmission	selective gear fixed ratio with full range operator controlled power shift
Brakes	wet multiple disc hydraulically actuated by foot pedal
Hydraulic Control	direct engine drive
Unladen Tractor Mass	43,850 lbs ( 19,890 kg )

Consumables

Fuel	No. 2 Diesel
DEF Fluid	32% aqueous urea solution

Sound Levels

Bystander	89.80 dB(A)
At No Load In 6th Gear	73.80 dB(A)

Tires & Tracks

Height of Drawbar	21.00 in (535 mm)

Static Weight

Rear	N/A lbs
Front	N/A lbs
Total	44,025 lbs

Challenger MT845E Specs ( 2014-2020 )

Overview

Ideal Applications

Production

Engine

Transmission

Mechanical

Hydraulics

Hitch

PTO

Electrical

Dimensions & Tires

Challenger MT845E Tracks

Challenger MT845E Weight

Dimensions & Tracks

OCED Tractor Test 2166

References

Nebraska Tractor Test Results

PTO Performance

Maximum Power & Fuel Consumption

Torque Statistics

PTO Power Curve

Maximum Power & Fuel Consumption Details

Varying Power & Fuel Consumption

Drawbar Performance

Fuel Consumption Characteristics

Unballasted At 2100 Engine RPM Maximum Power In Selected Gears

Unballasted At 1980 Engine RPM Maximum Power In Selected Gears

Hydraulic Performance

Technical Specifications

Engine

Chassis

Consumables

Sound Levels

Sound Levels

Tires & Weight

Tires & Tracks

Static Weight

Test Remarks