Challenger MT525E

The Challenger MT525E is a tractor produced by Challenger. It is equipped with a 402 ci 6.6 L engine. The listed engine power is Diesel (gross): 140 hp / 104.4 kW. Transmission: TechStar.

Engine Power

Diesel (gross): 140 hp / 104.4 kW

Fuel & Capacities

80 gal 302.8 L

Transmission

TechStar

Overview

	2015 - 2020 MT500E SeriesRow-Crop tractor MT500E Series Row-Crop tractor

Production
Manufacturer	Challenger (a part of AGCO)
Row-Crop tractor
Built in Jackson, Minnesota, USA

Variants
7715	similar Massey Ferguson model

Challenger MT525E Engine
AGCO Power 6.6L 6-cyl diesel
Engine details ...

Challenger MT525E Power
Engine (gross)	140 hp 104.4 kW
Engine (max)	175 hp 130.5 kW
PTO (claimed)	120 hp 89.5 kW
Drawbar (tested)	121.2 hp 90.4 kW
PTO (tested)	148.3 hp 110.6 kW
Performance test details ...

Mechanical
Four-wheel drive
Differential lock	electro-hydraulic front and rear
Power steering
Hydraulic wet disc brakes
Cab standard with air-conditioning. Auto-Guide 3000

Capacity
Fuel	80 gal 302.8 L
Exhaust fluid (DEF)	8 gal 30.3 L
Hydraulic system	15.9 gal (AP6) 60.2 L
	26.4 gal (CVT) 99.9 L

Hydraulics
Type	closed-center load sensing
Capacity	15.9 gal (AP6) 60.2 L
	26.4 gal (CVT) 99.9 L
Pressure	2900 psi 200.0 bar
Valves	3 or 4
SCV flow	26.4 gpm 99.9 lpm
Total flow	29 gpm 109.8 lpm
	50 gpm*Optional with CVT 189.2 lpm

Tractor hitch
Rear Type	II
Rear lift (at ends)	8900 lbs 4037 kg
	15500 lbs*Lift capacity with CVT transmission. 7030 kg
Front Hitch	II
Front lift (at ends)	6200 lbs 2812 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	540/1000
	540/540E/1000/1000E OptOptional

Dimensions & Tires
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Battery volts	12

References

MT500E Series Tractors published in 2015, by AGCO

Engine

Engine Detail — 402 ci / 6.6 L Diesel

Manufacturer	AGCO Power
Configuration	turbocharged intercooled diesel, 6-cylinder, liquid-cooled
Displacement	402 ci 6.6 L
Bore/Stroke	4.252x4.724 inches 108 x 120 mm
Emissions	Tier IV
Emission control	selective catalytic reduction (SCR)
Rated Power (gross)	140 hp 104.4 kW
Maximum Power (gross)	175 hp 130.5 kW
Air cleaner	dry element
Rated RPM	2100
Starter	electric
Starter volts	12

Transmission

Transmission options
16-speed four-speed power shift
24-speed six-speed power shift
continuously-variable transmission (CVT)

Transmission — AutoPower IV

Transmission	AutoPower IV
Type	four-speed power shift
Gears	16 forward and reverse

Transmission — AutoPower VI

Transmission	AutoPower VI
Type	six-speed power shift
Gears	24 forward and reverse

Transmission — TechStar

Transmission	TechStar
Type	continuously-variable transmission (CVT)
Gears	infinite forward and reverse

Dimensions

Challenger MT525E Tires

Dimensions

Tests

Tractor Tests
OECD 2995: diesel AutoPower IV 4WD
OECD 2991: diesel AutoPower VI 4WD
OECD 2988: diesel TechStar CVT 4WD

OCED Tractor Test 2995
Diesel AutoPower IV 4WD June 2016 - July 2016, Link: OCED Tractor Test 2995 file
PTO performance
Max power	142 hp 105.9 kW
Fuel use	8.0 gal/hour 30.3 l/hour
Power at rated engine speed	136.5 hp 101.8 kW
Fuel use	8.0 gal/hour 30.3 l/hour
Power at rated PTO speed	138.1 hp 103.0 kW
Fuel use	8.0 gal/hour 30.3 l/hour
Drawbar performance
Max power	121.2 hp 90.4 kW
Fuel use	8.0 gal/hour 30.3 l/hour
Gear 3A used for power test.
Max pull	13330 lbs 6046 kg
Gear 2A used for pull test.

OCED Tractor Test 2991
Diesel AutoPower VI 4WD May 2016 - August 2016, Link: OCED Tractor Test 2991 file
PTO performance
Max power	140.1 hp 104.5 kW
Fuel use	7.7 gal/hour 29.1 l/hour
Power at rated engine speed	134.6 hp 100.4 kW
Fuel use	7.7 gal/hour 29.1 l/hour
Power at rated PTO speed	135.6 hp 101.1 kW
Fuel use	7.7 gal/hour 29.1 l/hour
Drawbar performance
Max power	116.3 hp 86.7 kW
Fuel use	7.8 gal/hour 29.5 l/hour
Gear 3B used for power test.
Max pull	13375 lbs 6066 kg
Gear 1E used for pull test.

OCED Tractor Test 2988
Diesel TechStar CVT 4WD July 2016 - August 2016, Link: OCED Tractor Test 2988 file
PTO performance
Max power	148.3 hp 110.6 kW
Fuel use	8.5 gal/hour 32.2 l/hour
Power at rated engine speed	138.1 hp 103.0 kW
Fuel use	8.2 gal/hour 31.0 l/hour
Power at rated PTO speed	145.5 hp 108.5 kW
Fuel use	8.1 gal/hour 30.7 l/hour
Drawbar performance
Max power	113.2 hp 84.4 kW
Fuel use	8.6 gal/hour 32.6 l/hour
Pull at 9KPH
Max pull	15130 lbs 6862 kg
Pull at 2.8KPH

Photos

Challenger MT525E tractor photo

Recommended Implements & Sizing Guide

Engineering recommendations for Challenger MT525E based on its 140 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 MT525E.

Estimated Continuous Field Runtime: 11 hrs

Approximately 11 hours of continuous field operation at ~75% rated power on a full tank (80 gal / 302.8 L).

Estimated 75% Load Fuel Burn~7.3 gal/hr (27.6 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