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Challenger MT738 Specs ( 2018-Present )

Name: Challenger MT738
Brand: Challenger

Overview

The Challenger MT738 is an agricultural crawler tractor manufactured in Jackson, Minnesota, featuring an AGCO Power 9.8L 7-cylinder turbocharged diesel engine and an Accu-VT infinitely-variable transmission. Produced from 2018 to the present, the machine is equipped with a standard air-conditioned cab and a Type III/IVN rear hitch with a 19,000-pound lift capacity.

Ideal Applications

Tested Power and Pull Performance: According to OCED Tractor Test 2205, the MT738 achieved a maximum tested PTO power of 324.64 hp and a maximum drawbar pull of 34,087 lbs.

Chassis and Track Configuration: The crawler-drive system utilizes a bar rear axle with an adjustable track gauge ranging from 72 to 88 inches, which can be extended to 120 inches with an optional wide axle.

Hydraulic and Fluid Capacities: The tractor is equipped with a load-sensing hydraulic system providing a pump flow of 58 gpm, supported by a 180-gallon fuel tank and a 21-gallon diesel exhaust fluid reservoir.

Production

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

Engine

Engine type	AGCO Power 9.8L 7-cyl diesel
Exhaust fluid (DEF)	21 gal (79.5 L)
Fuel tank	180 gal (681.3 L)
Bore/Stroke	4.37x5.709 inches (111 x 145 mm)
Description	AGCO Power / turbocharged intercooled diesel / 7-cylinder / liquid-cooled
Displacement	599 ci (9.8 L)
Rated Power (gross)	374 hp (278.9 kW)
Rated RPM	1700
Starter type	electric
Drawbar (tested)	270.16 hp (201.5 kW)
Engine (gross)	374 hp (278.9 kW)
PTO (claimed)	284 hp (211.8 kW)
PTO (tested)	324.64 hp (242.1 kW)

Transmission

Description	infinitely-variable transmission
Gears	infinite forward and reverse
Transmission	Accu-VT
Type	infinitely-variable transmission

Mechanical

Cab	Cab standard with air-conditioning.
Drive	crawler

Hydraulics

Pump flow	58 gpm (219.5 lpm)
Type	load sensing
Valves	4 to 6

Hitch

Rear lift	19000 lbs (8618 kg)
Rear Type	III/IVN

Electrical

Charging system	alternator
Ground	negative

Dimensions & Tires

Description	Bar rear axle
Front axle	Bar
Gauge	72 to 88 inches (182 to 223 cm) / 72 to 120 inches *Optional wide axle (182 to 304 cm)
Max weight	41000 lbs (18597 kg)
Weight	33443 lbs (15169 kg)

Dimensions & Tracks

Description	Tracks
Weight	33443 lbs (15169 kg)

OCED Tractor Test 2205

Description	Diesel CVT crawlerOctober 9 - 19, 2018Link: OCED Tractor Test 2205 file / PTO performance / Drawbar performance / Pull at 9.92KPH / Pull at 3.52KPH
Fuel use	17.4 gal/hour (65.9 l/hour) / 17.2 gal/hour (65.1 l/hour) / 17.1 gal/hour (64.7 l/hour)
Max power	270.16 hp (201.5 kW)
Max pull	34087 lbs (15461 kg)
Power at rated engine speed	324.64 hp (242.1 kW)
Power at rated PTO speed	323.90 hp (241.5 kW)

References

Description	MT700 Series published in 2017, by AGCO

Nebraska Tractor Test Results

Test #2205

Download PDF

Test Date: October 9 to 19, 2018

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

324.64 hp

N/A lb/hp·hr

Standard PTO Speed

323.90 hp

@ 1000 rpm PTO

Torque Statistics

Maximum Torque	1,120 lb-ft (1,573 Nm)
Torque Rise	11.7%

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	324.64	242.08	1701	1054	17.37	65.76	0.81	3.08
Standard PTO Speed (1000 rpm)	323.90	241.53	1614	1000	17.17	64.98	0.81	3.06

Varying Power & Fuel Consumption

Click column headers to sort

Power	RPM	gal/hr	lb/hp·hr	hp·hr/gal	DEF gal/hr
324.64	1701	17.37	0.37	N/A	0.81
279.27	1722	15.26	0.38	N/A	0.67
211.40	1738	12.13	0.40	N/A	0.57
142.20	1752	9.11	0.45	N/A	0.39
71.48	1763	6.07	0.59	N/A	0.25
2.58	1775	3.32	9.02	N/A	0.15

Fuel Consumption Characteristics

Click column headers to sort

Condition	Power	Pull (lbs)	Speed	RPM	Slip	DEF lb/hp	Air °F	Cool °F
Power at Rated Engine Speed—5.6 mph(9.0 ...	267.07	17,995	5.57	1700	2.10	0.03	43	205
75% of Pull at Rated Engine Speed—5.6 mp...	201.46	13,462	5.61	1723	1.10	0.03	47	205
50% of Pull at Rated Engine Speed—5.6 mp...	135.04	8,981	5.64	1737	0.50	0.04	47	205
75% of Pull at Reduced Engine Speed—7.5 ...	201.49	13,440	5.62	1281	1.10	0.04	47	207
50% of Pull at Reduced Engine Speed—8.0 ...	135.35	8,975	5.66	1194	0.60	0.05	47	203

Manual Mode 1700 Engine RPM

Click column headers to sort

Setting	Power	Pull (lbs)	Speed	Slip	hp·hr/gal	lb/hp·hr	DEF lb/hp	Barom Inch	Crank Shaft RPM	Temp Air F	Temp Cool F
2.5 mph (4.0 km/h)	196.72	33,899	2.18	13.80	13.44	0.52	0.03	28.96	1724	42	205
3.1 mph (5.0 km/h)	244.18	32,152	2.85	10.00	14.26	0.49	0.03	28.96	1696	43	206
3.7 mph (6.0 km/h)	258.96	27,180	3.58	6.00	15.02	0.47	0.03	28.96	1700	43	205
4.2 mph (6.8 km/h)	261.32	23,800	4.12	4.40	15.05	0.47	0.03	28.59	1700	43	206
4.7 mph (7.5 km/h)	263.50	21,305	4.64	3.50	15.14	0.46	0.03	28.59	1700	43	206
5.1 mph (8.2 km/h)	266.11	19,774	5.05	2.60	15.31	0.46	0.03	28.59	1700	43	205
5.6 mph (9.0 km/h)	267.07	17,995	5.57	2.10	15.37	0.46	0.03	28.59	1700	43	205
6.2 mph (10.0 km/h)	267.22	16,103	6.23	1.60	15.48	0.45	0.03	28.59	1700	43	205
6.8 mph (11.0 km/h)	266.55	14,583	6.86	1.30	15.39	0.46	0.03	28.61	1700	44	206
7.5 mph (12.0 km/h)	266.54	13,304	7.52	1.00	15.39	0.46	0.03	28.62	1700	45	209
8.1 mph (13.0 km/h)	266.07	12,244	8.15	0.90	15.46	0.45	0.03	28.62	1701	45	202

Manual Mode 1600 Engine RPM

Click column headers to sort

Setting	Power	Pull (lbs)	Speed	Slip	hp·hr/gal	lb/hp·hr	DEF lb/hp	Barom Inch	Crank Shaft RPM	Temp Air F	Temp Cool F
2.5 mph (4.0 km/h)	198.52	34,087	2.19	13.60	13.40	0.52	0.03	28.96	1724	41	205
3.1 mph (5.0 km/h)	244.75	32,242	2.85	10.10	14.47	0.48	0.03	28.96	1702	43	205
3.7 mph (6.0 km/h)	258.97	27,391	3.55	5.90	15.09	0.46	0.03	28.96	1658	43	205
4.2 mph (6.8 km/h)	264.22	24,264	4.09	4.60	15.41	0.45	0.03	28.59	1600	43	205
4.7 mph (7.5 km/h)	265.81	21,621	4.61	3.50	15.52	0.45	0.03	28.59	1600	43	206
5.1 mph (8.2 km/h)	267.90	20,085	5.00	2.70	15.66	0.45	0.03	28.59	1600	43	204
5.6 mph (9.0 km/h)	269.67	18,271	5.54	2.10	15.73	0.45	0.03	28.59	1601	43	204
6.2 mph (10.0 km/h)	270.16	16,429	6.17	1.70	15.76	0.44	0.03	28.61	1600	45	205
6.8 mph (11.0 km/h)	268.01	14,758	6.81	1.30	15.61	0.45	0.03	28.61	1600	45	206
7.5 mph (12.0 km/h)	269.11	13,554	7.45	1.10	15.68	0.45	0.03	28.62	1600	45	209
8.1 mph (13.0 km/h)	267.66	12,403	8.10	0.90	15.62	0.45	0.03	28.62	1600	45	206

Category: III Quick Attach: yes

Three Outlet Sets Combined

Sustained Pressure	N/A psi
Flow Rate (min press)	N/A gpm
Combined Flow	120.30 gpm
Max Power	N/A hp

Single Outlet Set

Sustained Pressure	N/A psi
Flow Rate (min press)	N/A gpm
Max Power	N/A hp

Engine

Make	AGCO Power Diesel
Type	seven cylinder vertical with two turbochargers, water to air intercooler, air to air intercooler and D.E.F. technology
Displacement	599 cu in (9822 ml)
Bore & Stroke	4.370" x 5.709" (111.0 mm x 145.0 mm)
Compression Ratio	16.7 to 1
Rated Engine Speed	1700 rpm
Air Cleaner	two paper elements and aspirator
Exhaust	DOC (diesel oxidation catalyst) and SCR (selective catalyst reduction) with a vertical muffler
Crankshaft	lengthwise

Chassis

Type	Tracklayer-rubber tracked
Steering	electro-hydraulic differential steering controlled by steering wheel
Transmission	CVT. Infinitely variable hydrostatic using variable displacement pump and motors
Brakes	wet multiple disc hydraulically actuated by foot pedal
Hydraulic Control	direct engine drive
Unladen Tractor Mass	36,050 lbs ( 16,352 kg )

Consumables

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

Sound Levels

Bystander	83.80 dB(A)
At No Load 4 6 Mph 7 5 Km H 1320 RPM	64.00 dB(A)
At No Load 4 6 Mph 7 5 Km H 1780 RPM	68.10 dB(A)

Tires & Tracks

Ballast	Tested without ballast

Challenger MT738 Specs ( 2018-Present )

Overview

Ideal Applications

Production

Engine

Transmission

Mechanical

Hydraulics

Hitch

Electrical

Dimensions & Tires

Dimensions & Tracks

OCED Tractor Test 2205

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

Manual Mode 1700 Engine RPM

Manual Mode 1600 Engine RPM

Hydraulic Performance

Three Outlet Sets Combined

Single Outlet Set

Technical Specifications

Engine

Chassis

Consumables

Sound Levels

Sound Levels

Tires & Weight

Tires & Tracks

Test Remarks