Challenger MT845E

The Challenger MT845E is a tractor produced by Challenger. It is equipped with a 1027.5 ci 16.8 L engine. The listed engine power is Diesel (gross): 450 hp / 335.6 kW. Transmission: Caterpillar. Drive type: crawler. Operating weight: 42596 lbs 19321 kg.

Engine Power

Diesel (gross): 450 hp / 335.6 kW

Drive & Traction

crawler

Fuel & Capacities

330 gal 1249.0 L

Transmission

Caterpillar

Operating Weight

42596 lbs 19321 kg

Overview

	2014 - 2020 MT800E SeriesAgricultural Crawler tractor MT800E Series Agricultural Crawler tractor

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

Challenger MT845E Engine
AGCO Power 16.8L 12-cyl diesel
Fuel tank	330 gal 1249.0 L
Exhaust fluid (DEF)	30.5 gal 115.4 L
Engine details ...

Challenger MT845E Transmission
16-speed full power shift
Transmission details ...

Challenger MT845E Power
Engine (gross)	450 hp 335.6 kW
PTO (claimed)	365 hp 272.2 kW
Drawbar (tested)	324.23 hp 241.8 kW
PTO (tested)	421.56 hp 314.4 kW
Performance test details ...

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

Hydraulics
Type	closed center pressure flow compensated
Pressure	2900 psi 200.0 bar
Valves	4 to 6
Pump flow	58.1 gpm 219.9 lpm
	85 gpm (optional) 321.7 lpm
SCV flow	26.4 gpm 99.9 lpm
	36 gpm (optional) 136.3 lpm

Tractor hitch
Rear lift	19500 lbs 8845 kg
Drawbar	Cat. 4
	Cat. 5

Power Take-off (PTO)
Rear PTO	independent
Clutch	electronic
Rear PTO Type	1000 (1.75)

Dimensions & Tracks
Weight	42596 lbs 19321 kg
18-inch tracks
Full dimensions and tracks ...

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

References

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

Engine

Engine Detail — 1027.5 ci / 16.8 L Diesel

Manufacturer	AGCO Power
Configuration	turbocharged diesel, 12-cylinder 48-valve, liquid-cooled
Displacement	1027.5 ci 16.8 L
Bore/Stroke	4.370x5.709 inches 111 x 145 mm
Emissions	Tier IV
Emission control	selective catalytic reduction (SCR)
Power (gross)	450 hp 335.6 kW
Maximum Power	486 hp 362.4 kW
Rated RPM	2100
Torque	1604 lb-ft 2175.0 Nm
Torque RPM	1500
Starter	electric
Starter volts	12

Transmission

Transmission — Caterpillar

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

Dimensions

Challenger MT845E Tracks
Width	18 inches 45 cm
Width	27.5 inches 69 cm
Width	30 inches 76 cm
Width	36 inches 91 cm

Dimensions
Front axle	Bar
Bar rear axle
Gauge	90 to 128 inches 228 to 325 cm

Challenger MT845E Weight
Shipping	42596 lbs 19321 kg
Max capacity	55913 lbs 25362 kg
Max Drawbar	10000 lbs (Cat. 4) 4536 kg
	12500 lbs (Cat. 5) 5670 kg

Tests

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

Photos

Challenger MT845E tractor photo

Recommended Implements & Sizing Guide

Engineering recommendations for Challenger MT845E based on its 450 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 MT845E.

Estimated Continuous Field Runtime: 14.1 hrs

Approximately 14.1 hours of continuous field operation at ~75% rated power on a full tank (330 gal / 1249.2 L).

Estimated 75% Load Fuel Burn~23.4 gal/hr (88.6 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