Challenger MT845C

The Challenger MT845C is a tractor produced by Challenger. It is equipped with a 923 ci 15.1 L engine. The rated power output is 440 hp 328.1 kW. Transmission: Caterpillar Powershift. Drive type: crawler. Operating weight: 41,000 lbs 18597 kg.

Overview

	2009 - 2013 MT800C SeriesAgricultural Crawler tractor
2009 - 2013
MT800C Series
Agricultural Crawler tractor

Production
Manufacturer	Challenger (a part of AGCO)
Agricultural Crawler tractor
Built in Jackson, Minnesota, USA
Original price was $397,457 in 2013

Challenger MT845C Engine
Caterpillar 15.1L 6-cyl diesel
Fuel tank	305 gal 1154.4 L
Engine details ...

Challenger MT845C Transmission
16-speed full power shift
Transmission details ...

Challenger MT845C Power
Engine (gross)	440 hp 328.1 kW
PTO (claimed)	360 hp 268.5 kW
Drawbar (tested)	331.68 hp 247.3 kW
PTO (tested)	442.53 hp 330.0 kW
Performance test details ...

Mechanical
Drive	crawler
Steering	speed sensitive differential
Hydraulic wet discs brakes
Trailer brakes	hydraulic OptOptional
Cab standard with air-conditioning.

Hydraulics
Type	closed center pressure-flow compensated
Pressure	2900 psi 200.0 bar
Valves	4 to 6
SCV flow	36 gpm 136.3 lpm
Total flow	43.5 gpm 164.6 lpm
	59 gpmOptOptional 223.3 lpm

Tractor hitch
Rear Type	III/IVN
	IV
Rear lift	19500 lbs 8845 kg

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

Dimensions & Tracks
Wheelbase	118 inches 299 cm
Weight	41,000 lbs 18597 kg
30-inch tracks
Full dimensions and tracks ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	185
Batteries	4
Battery CCA	1000
Battery volts	12

References
Challenger MT800C/MT900C published in 2008, by AGCO

Engine

Engine Detail — 923 ci / 15.1 L Diesel

Manufacturer	Caterpillar C15 ACERT
Configuration	turbocharged aftercooled diesel, 6-cylinder 24-valve, liquid-cooled
Displacement	923 ci 15.1 L
Bore/Stroke	5.4x6.75 inches 137 x 171 mm
Emissions	Tier III
Power (gross)	440 hp 328.1 kW
Fuel system	mechanical electric injector unit (MEUI)
Rated RPM	2100
Starter	electric
Starter volts	12

Challenger MT845C Engine

Transmission

Transmission — Caterpillar Powershift

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

Dimensions

Challenger MT845C Tracks
Width	30 inches 76 cm
Width	18 inches 45 cm
Width	36 inches 91 cm

Dimensions
Wheelbase	118 inches 299 cm
Length	270 inches 685 cm
Width	141.8 inches 360 cm
Height (cab)	138.1 inches 350 cm
Shipping weight	41,000 lbs 18597 kg
Max weight	50,000 lbs 22680 kg
Clearance (drawbar)	14.4 inches 36 cm
Gauge	90 to 128 inches 228 to 325 cm

Tests

OCED Tractor Test 1953
Diesel 16-speed crawler May 12 - 20, 2009 Link: OCED Tractor Test 1953 file
PTO performance
Max power	442.53 hp 330.0 kW
Fuel use	24.8 gal/hour 93.9 l/hour
Power at rated engine speed	390.78 hp 291.4 kW
Fuel use	24.0 gal/hour 90.8 l/hour
Power at rated PTO speed	417.21 hp 311.1 kW
Fuel use	24.8 gal/hour 93.9 l/hour
Drawbar performance
Max power	331.68 hp 247.3 kW
Fuel use	24.1 gal/hour 91.2 l/hour
Gear 6 used for power test.
Max pull	42616 lbs 19330 kg
Gear 3 used for pull test.

Photos

Challenger MT845C tractor photo