Challenger MT255

The Challenger MT255 is a tractor produced by Challenger. It is equipped with a 89.3 ci 1.5 L engine. The listed engine power is Diesel (gross): 28.4 hp / 21.2 kW. Transmission: 9 forward and 3 reverse. Operating weight: 2,248 lbs 1019 kg.

Engine Power

Diesel (gross): 28.4 hp / 21.2 kW

Fuel & Capacities

6 gal 22.7 L

Transmission

9 forward and 3 reverse

Operating Weight

2,248 lbs 1019 kg

Overview

	2003 - 2005 MT200 SeriesCompact Utility tractorIseki built MT200 Series Compact Utility tractor Iseki built

Production
Distributor	Challenger (a part of AGCO)
Manufacturer	Iseki
Compact Utility tractor
Built in Matsuyama, Japan

Variants
1429	similar Massey Ferguson model

Challenger MT255 Engine
Iseki 1.5L 3-cyl diesel
Fuel tank	6 gal 22.7 L
Engine details ...

Challenger MT255 Transmission
9-speed constant mesh
Transmission details ...

Challenger MT255 Power
Engine (gross)	28.4 hp 21.2 kW
PTO (claimed)	24.1 hp 18.0 kW

Mechanical
Four-wheel drive
Differential lock	mechanical rear
Power steering
Wet disc brakes
Two-post fixed ROPS.

Hydraulics
Type	open center
Pressure	2130 psi 146.9 bar
Pump flow	7.4 gpm 28.0 lpm
Total flow	9.9 gpm 37.5 lpm
Steering flow	2.5 gpm 9.5 lpm

Tractor hitch
Rear Type	I
Control	position control
	draft control OptOptional
Rear lift (at ends)	1,984 lbs 899 kg
Rear lift (at 24"/610mm)	1,323 lbs 600 kg

Power Take-off (PTO)
Rear PTO	live
Clutch	dry disc
Rear PTO Type	540 (1.375)
Mid PTO	optional
Mid PTO Type	2000

Dimensions & Tires
Wheelbase	64.5 inches 163 cm
Weight	2,248 lbs 1019 kg
Front tire	6-14
Rear tire	12.4-16
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Battery volts	12

References

MT200 - Serious Machines with big tractor performance published in 2002, by AGCO

Engine

Engine Detail — 89.3 ci / 1.5 L Diesel

Manufacturer	Iseki
Fuel Type	Diesel
Configuration	3-cylinder, liquid-cooled
Displacement	89.3 ci 1.5 L
Bore/Stroke	3.39x3.30 inches 86 x 84 mm
Power (gross)	28.4 hp 21.2 kW
Rated RPM	2500
Starter	electric
Starter volts	12

Transmission

Transmission — 9 forward and 3 reverse constant mesh

Type	constant mesh
Gears	9 forward and 3 reverse

Dimensions

Challenger MT255 Tires
Standard tires (ag)	Front: 6-14. Rear: 12.4-16
Lawn/turf front	24x8.50-12
Lawn/turf rear	315/80D-16
Industrial front	25x8.50-14
Industrial rear	12.5/80-18

Dimensions
Wheelbase	64.5 inches 163 cm
Length	116.5 inches 295 cm
Width	51 inches 129 cm
Height (ROPS)	79.3 inches 201 cm
Weight	2,248 lbs 1019 kg
Front tread	42 inches 106 cm
Rear tread	37.2 to 37.25 inches 94 to 94 cm

Attachments

Attachment overview
60" mid-mount mower deck
72" mid-mount mower deck
Snowblower
Blade
Front-end loader

Photos

Challenger MT255 tractor photo

Recommended Implements & Sizing Guide

Engineering recommendations for Challenger MT255 based on its 28.4 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	1 to 2 Bottom (12")1 - 2 铧 (30 cm)	Light Duty	Ideal for garden plots and light sandy soil.
Rotary Cutter / MowerMowing & Clearing	5 ft (60 in)1.5 m	Medium Duty	Pasture maintenance and weeds up to 1.5" diameter.
Rotary TillerSeedbed Prep	54 to 60 in135 - 150 cm	Medium Duty	Thorough seedbed preparation in orchards and vegetable plots.
Disc HarrowSecondary Tillage	5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片)	Light Duty	Small acreage soil break-up and secondary aeration.

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 MT255.

Estimated Continuous Field Runtime: 4.1 hrs

Approximately 4.1 hours of continuous field operation at ~75% rated power on a full tank (6 gal / 22.7 L).

Estimated 75% Load Fuel Burn~1.5 gal/hr (5.6 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