Challenger MT765B

The Challenger MT765B is a tractor produced by Challenger. It is equipped with a 537 ci 8.8 L engine. The listed engine power is Diesel (gross): 320 hp / 238.6 kW. Transmission: Cat PowerShift. Drive type: crawler. Operating weight: 31075 lbs 14095 kg.

Engine Power

Diesel (gross): 320 hp / 238.6 kW

Drive & Traction

crawler

Fuel & Capacities

118 gal 446.6 L

Transmission

Cat PowerShift

Operating Weight

31075 lbs 14095 kg

Overview

	2005 - 2008 MT700B SeriesAgricultural Crawler tractor MT700B Series Agricultural Crawler tractor

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

Challenger MT765B Engine
Caterpillar 8.8L 6-cyl diesel
Fuel tank	118 gal 446.6 L
	178 gal (wide) 673.7 L
	208 gal (optional) 787.3 L
Engine details ...

Challenger MT765B Transmission
16-speed full power shift
Transmission details ...

Challenger MT765B Power
Engine (gross)	320 hp 238.6 kW
PTO (claimed)	265 hp 197.6 kW
Drawbar (tested)	228.21 hp 170.2 kW
PTO (tested)	320.72 hp 239.2 kW
Performance test details ...

Mechanical
Drive	crawler
Hydraulic wet disc brakes
Cab standard with air-conditioning.

Hydraulics
Type	closed-center PFC
Pressure	2900 psi 200.0 bar
Rear valves	4 to 6
Pump flow	43.5 gpm 164.6 lpm

Tractor hitch
Rear Type	III/IIIN
Rear lift	16000 lbs 7257 kg

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

Dimensions & Tracks
Wheelbase	96 inches 243 cm
Weight	31075 lbs 14095 kg
16-inch tracks
Full dimensions and tracks ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	185
Batteries	2
Battery CCA	1000
Battery volts	12

References

Challenger MT700B Series published in 2005, by AGCO

Engine

Engine Detail — 537 ci / 8.8 L Diesel

Manufacturer	Caterpillar
Configuration	turbocharged aftercooled diesel, 6-cylinder 24-valve, liquid-cooled inline
Displacement	537 ci 8.8 L
Bore/Stroke	4.409x5.866 inches 112 x 149 mm
Power (gross)	320 hp 238.6 kW
Air cleaner	dual paper elements
Compression	17.1:1
Rated RPM	2100
Starter volts	12

Transmission

Transmission — Cat PowerShift

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

Dimensions

Challenger MT765B Tracks
Width	16 inches 40 cm
Width	18 inches 45 cm
Width	20 inches 50 cm
Width	25 inches 63 cm
Width	30 inches 76 cm

Dimensions
Wheelbase	96 inches 243 cm
Length	233 inches 591 cm
Width	133 inches 337 cm
Height (cab)	135.5 inches 344 cm
Shipping weight	31075 lbs 14095 kg
Ground clearance	14.3 inches 36 cm

Tests

OCED Tractor Test 1846
Diesel 16-speed crawler May 9 - 13, 2005 Link: OCED Tractor Test 1846 file
PTO performance
Max power	320.72 hp 239.2 kW
Fuel use	17.7 gal/hour 67.0 l/hour
Power at rated engine speed	265.78 hp 198.2 kW
Fuel use	16.6 gal/hour 62.8 l/hour
Power at rated PTO speed	294.81 hp 219.8 kW
Fuel use	17.1 gal/hour 64.7 l/hour
Drawbar performance
Max power	228.21 hp 170.2 kW
Fuel use	17.0 gal/hour 64.3 l/hour
Gear 6 used for power test.
Max pull	34,145 lbs 15488 kg
Gear 2 used for pull test.

Photos

Challenger MT765B

Recommended Implements & Sizing Guide

Engineering recommendations for Challenger MT765B based on its 320 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 MT765B.

Estimated Continuous Field Runtime: 7.1 hrs

Approximately 7.1 hours of continuous field operation at ~75% rated power on a full tank (118 gal / 446.7 L).

Estimated 75% Load Fuel Burn~16.6 gal/hr (63 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