Challenger MT743

The Challenger MT743 is a tractor produced by Challenger. It is equipped with a 599 ci 9.8 L engine. The listed engine power is Diesel (gross): 425 hp / 316.9 kW. Transmission: Accu-VT. Drive type: crawler. Operating weight: 33443 lbs 15169 kg.

Engine Power

Diesel (gross): 425 hp / 316.9 kW

Drive & Traction

crawler

Fuel & Capacities

180 gal 681.3 L

Transmission

Accu-VT

Operating Weight

33443 lbs 15169 kg

Overview

	2018 - MT700 SeriesAgricultural Crawler tractor
2018 -
MT700 Series
Agricultural Crawler tractor

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

Challenger MT743 Engine
AGCO Power 9.8L 7-cyl diesel
Fuel tank	180 gal 681.3 L
	215 galOptOptional 813.8 L
	257 galOptOptional 972.7 L
Exhaust fluid (DEF)	21 gal 79.5 L
Engine details ...

Challenger MT743 Transmission
infinitely-variable transmission
Transmission details ...

Challenger MT743 Power
Engine (gross)	425 hp 316.9 kW
PTO (claimed)	334 hp 249.1 kW
Drawbar (tested)	313.14 hp 233.5 kW
PTO (tested)	376.97 hp 281.1 kW
Performance test details ...

Mechanical
Drive	crawler
Cab standard with air-conditioning.

Hydraulics
Type	load sensing
Valves	4 to 6
Pump flow	58 gpm 219.5 lpm
	116 gpm*With optional dual pumps. 439.1 lpm

Tractor hitch
Rear Type	III/IVN
Rear lift	19000 lbs 8618 kg

Dimensions & Tracks
Weight	33443 lbs 15169 kg
Tracks
Full dimensions and tracks ...

Electrical
Ground	negative
Charging system	alternator

References

MT700 Series published in 2017, by AGCO

Engine

Engine Detail — 599 ci / 9.8 L Diesel

Manufacturer	AGCO Power
Configuration	turbocharged intercooled diesel, 7-cylinder, liquid-cooled
Displacement	599 ci 9.8 L
Bore/Stroke	4.37x5.709 inches 111 x 145 mm
Rated Power (gross)	425 hp 316.9 kW
Rated RPM	1700
Starter type	electric

Transmission

Transmission — Accu-VT

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

Dimensions

Challenger MT743 Tracks

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

Tests

OCED Tractor Test 2207
Diesel CVT crawler October 15 - 24, 2018 Link: OCED Tractor Test 2207 file
PTO performance
Max power	376.97 hp 281.1 kW
Fuel use	20.0 gal/hour 75.7 l/hour
Power at rated engine speed	373.36 hp 278.4 kW
Fuel use	20.1 gal/hour 76.1 l/hour
Power at rated PTO speed	375.83 hp 280.3 kW
Fuel use	20.0 gal/hour 75.7 l/hour
Drawbar performance
Max power	313.14 hp 233.5 kW
Fuel use	19.8 gal/hour 74.9 l/hour
Pull at 10.81KPH
Max pull	36252 lbs 16443 kg
Pull at 3.47KPH

Photos

Challenger MT743 tractor photo

Recommended Implements & Sizing Guide

Engineering recommendations for Challenger MT743 based on its 425 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 Challenger MT743.

Estimated Continuous Field Runtime: 8.1 hrs

Approximately 8.1 hours of continuous field operation at ~75% rated power on a full tank (180 gal / 681.4 L).

Estimated 75% Load Fuel Burn~22.1 gal/hr (83.7 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