Challenger MT545B

The Challenger MT545B is a tractor produced by Challenger. It is equipped with a 365.2 ci 6.0 L engine. The listed engine power is Diesel (listed): 143 hp / 106.6 kW. Transmission: TechStar CVT. Operating weight: 11052 to 14835 pounds.

Engine Power

Diesel (listed): 143 hp / 106.6 kW

Fuel & Capacities

71 gal 268.7 L

Transmission

TechStar CVT

Operating Weight

11052 to 14835 pounds

Overview

	2004 - 2011 Model year 2004-20072007-2011 MT500B SeriesRow-Crop tractor MT500B Series Row-Crop tractor

Production
Manufacturer	Challenger (a part of AGCO)
Row-Crop tractor
Built in Beauvais, France
The Challenger MT545B is similar to the Massey Ferguson 7480.

Variants
6480	similar Massey Ferguson model
7480	similar Massey Ferguson model

Challenger MT545B Engine
Caterpillar 6.0L 6-cyl diesel
Engine details ...

Challenger MT545B Power
Engine	143 hp 106.6 kW
PTO (claimed)	115 hp 85.8 kW
Drawbar (tested)	100.4 hp 74.9 kW
PTO (tested)	125.7 hp 93.7 kW
Performance test details ...

Mechanical
Two- or four-wheel drive
Final drives	inboard planetary
Differential lock	electro-hydraulic front and rear
Power steering
Hydraulic wet disc brakes
Trailer brakes	hydraulic OptOptional
Cab standard with heat and A/C. Optional pneumatic cab suspension and automatic climate control.

Capacity
Fuel	71 gal 268.7 L
Hydraulic system	18.5 gal (AutoPower) 70.0 L
	26.4 gal (CVT) 99.9 L

Hydraulics
Type	closed center pressure flow compensating (PFC)
Capacity	18.5 gal (AutoPower) 70.0 L
	26.4 gal (CVT) 99.9 L
Pressure	2900 psi 200.0 bar
Rear valves	2 to 4
Total flow	29 gpm 109.8 lpm

Tractor hitch
Rear Type	II/III
Rear lift (at 24"/610mm)	9,391 lbs 4259 kg
	11,200 lbs (CVT) 5080 kg
Front Hitch	optional
Front lift	5,500 lbs 2494 kg

Power Take-off (PTO)
Rear PTO	independent
Clutch	electro-hydraulic wet disc
Rear PTO Type	540/1000 (standard)
	540/540E/1000 OptOptional
Engine RPM	540@1980
	540E@1533
	1000@2000
	1000E@1548

Dimensions & Tires
Wheelbase	112.1 inches 284 cm
Weight	11052 to 14835 pounds
Front tire	11.00-16
Rear tire	580/70R38
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	120
Batteries	2
Battery CCA	420
Battery volts	12

References

Challenger MT500B AutoPower IV Product Information Guide published in 2004, by AGCO
Challenger MT500B Series published in 2005, by AGCO
Challenger MT500B TECHstar CVT Product Information Guide published in 2004, by AGCO
Challenger Specialty Wheel Tractors published in 2007

Engine

Engine Detail — 365.2 ci / 6.0 L Diesel

Manufacturer	Caterpillar 3056C
Configuration	turbocharged diesel, 6-cylinder, liquid-cooled vertical inline
Displacement	365.2 ci 6.0 L
Bore/Stroke	3.937x5.00 inches 100 x 127 mm
Emissions	Tier II
Power	143 hp 106.6 kW
Cooling system	viscous fan
Air cleaner	dual paper elements
Compression	17.5:1
Rated RPM	2200
Idle RPM	800-2350
Starter volts	12
Oil capacity	15.3 qts 14.5 L
Coolant capacity	26.92 qts 25.5 L

Transmission

Transmission options
32-speed partial power shift
24-speed partial power shift
continuously variable transmission

Transmission — AutoPower IV

Transmission	AutoPower IV
Type	partial power shift
Gears	32 forward and reverse
Clutch	hydraulic wet disc
Four synchronized gears (1-4) in two synchronized ranges (low/high) with a four-speed (A-D) power shift on the left-hand power shuttle lever.
With 20.8R38 rear tires.

Transmission — AutoPower VI

Transmission	AutoPower VI
Type	partial power shift
Gears	24 forward and reverse
Four gears with six power shift ranges. The AutoPower VI became acailable in 2005.

Transmission — TechStar CVT

Transmission	TechStar CVT
Type	continuously variable transmission
Gears	infinite forward and reverse (2-range)
Oil capacity	59.2 qts 56.0 L

Dimensions

Challenger MT545B Tires
Ag front	11.00-16 (2WD)
	480/70R28
Ag rear	580/70R38

Dimensions
Wheelbase	112.1 inches 284 cm
Length	168.5 inches 427 cm
Width	81.1 inches 205 cm
Height (cab)	112.8 inches 286 cm
Clearance (drawbar)	15.4 inches 39 cm
Bar rear axle	3.2 by 82 inches 81 by 2082 mm
Bar rear axle	3.2 by 113 inches 81 by 2870 mm
Flange rear axle OptOptional
2WD Front tread	64.1 to 83 inches 162 to 210 cm
2WD Front tread	73.2 to 96 inches 185 to 243 cm (wide row-crop axle)
4WD Front tread	61.2 to 89.2 inches 155 to 226 cm
Rear tread	55.5 to 91 inches 140 to 231 cm (short bar)
Rear tread	55.5 to 116.3 inches 140 to 295 cm (long bar)
Rear tread	56.9 to 90.6 inches 144 to 230 cm (flange)

Challenger MT545B Weight
Shipping	11,052 lbs (2WD) 5013 kg
	11,949 lbs (4WD) 5420 kg
	13,410 lbs (CVT 4WD) 6082 kg
Operating	13,140 lbs (2WD) 5960 kg
	13,215 lbs (4WD) 5994 kg
	14,835 lbs (CVT 4WD) 6729 kg
Max Drawbar	3821 lbs 1733 kg
2WD Max front axle	4652 lbs 2110 kg
4WD Max front axle	7496 lbs 3400 kg
Max rear axle	12897 lbs 5850 kg

Tests

Tractor Tests
OECD 2225: diesel AutoPower IV 4WD
OECD 2195: diesel CVT 4WD

OCED Tractor Test 2225
Diesel AutoPower IV 4WD April 2004 - June 2004, Link: OCED Tractor Test 2225 file
PTO performance
Max power	124.0 hp 92.5 kW
Fuel use	7.5 gal/hour 28.4 l/hour
Power at rated engine speed	115.7 hp 86.3 kW
Fuel use	8.0 gal/hour 30.3 l/hour
Power at rated PTO speed	122.7 hp 91.5 kW
Fuel use	7.4 gal/hour 28.0 l/hour
Drawbar performance
Max power	100.2 hp 74.7 kW
Gear 1LC used for power test.
Max pull	12,165 lbs 5518 kg
Gear 1TD used for pull test.

OCED Tractor Test 2195
Diesel CVT 4WD February 2004 - April 2004, Link: OCED Tractor Test 2195 file
PTO performance
Max power	125.7 hp 93.7 kW
Fuel use	7.8 gal/hour 29.5 l/hour
Power at rated engine speed	116.3 hp 86.7 kW
Fuel use	8.0 gal/hour 30.3 l/hour
Power at rated PTO speed	124.6 hp 92.9 kW
Fuel use	8.0 gal/hour 30.3 l/hour
Drawbar performance
Max power	100.4 hp 74.9 kW
Fuel use	8.0 gal/hour 30.3 l/hour
Pull at 7.4 KPH
Max pull	14,690 lbs 6663 kg
Pull at 4.0 KPH

Photos

Challenger MT545B tractor photo

Recommended Implements & Sizing Guide

Engineering recommendations for Challenger MT545B based on its 143 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	5 to 7 Bottom (18")5 - 7 铧 (45 cm)	Commercial / Field Scale	Large acreage tillage; requires front ballast weights.
Rotary Cutter / MowerMowing & Clearing	10 to 12 ft Flex-Wing3.0 - 3.6 m 折叠双翼	Heavy Duty	Wide swath pasture and crop residue shredding.
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	15 to 22 ft Folding Disc4.5 - 6.7 m 折叠式圆盘耙	Commercial / Field Scale	Wide commercial field leveling; requires hydraulic remotes.
Hay BalerHay & Forage	5x6 Round Baler or 3x3 Mid Square1.5x1.8 m 大圆捆或中型方捆机	Heavy Duty	High density baling; requires minimum 85 PTO HP.

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 MT545B.

Estimated Continuous Field Runtime: 9.5 hrs

Approximately 9.5 hours of continuous field operation at ~75% rated power on a full tank (71 gal / 268.8 L).

Estimated 75% Load Fuel Burn~7.4 gal/hr (28.1 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