CaseIH MX120 Maxxum

The CaseIH MX120 Maxxum is a tractor produced by Caseih. It is equipped with a 359 ci 5.9 L engine. The listed engine power is Diesel (listed): 120 hp / 89.5 kW. Transmission: 32 forward and 24 reverse. Operating weight: 11300 to 12460 pounds.

Engine Power

Diesel (listed): 120 hp / 89.5 kW

Fuel & Capacities

72 gal 272.5 L

Transmission

32 forward and 24 reverse

Operating Weight

11300 to 12460 pounds

Overview

	1997 - 2002 Maxxum Series

Production
Manufacturer	CaseIH
Factories	Racine, Wisconsin, USA
	Doncaster, England
Original price was $49,000 in 1999

CaseIH MX120 Engine
Cummins/CDC 5.9L 6-cyl diesel
Engine details ...

CaseIH MX120 Power
Engine	120 hp 89.5 kW
PTO (claimed)	105 hp 78.3 kW

Mechanical
Two- or four-wheel drive
Differential lock	electrically-actuated wet disc
Power steering
Wet disc brakes
Cab standard. Two-post folding ROPS available.

Capacity
Fuel	72 gal 272.5 L
Hydraulic system	17.5 gal 66.2 L

Hydraulics
Type	closed center pressure flow compensated (PFC)
Capacity	17.5 gal 66.2 L
Pressure	2950 psi 203.4 bar
Valves	2 to 4
Pump flow	25 gpm 94.6 lpm
Total flow	28.9 gpm 109.4 lpm

Tractor hitch
Rear Type	II/IIIN
Control	electronic lower link
Rear lift (at 24"/610mm)	8,393 lbs 3807 kg
	9,717 lbs (optional) 4407 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	540/1000 (1.375)

Dimensions & Tires
2WD Wheelbase	110.7 inches 281 cm
4WD Wheelbase	106.3 inches 270 cm
Weight	11300 to 12460 pounds
Front tire	11.00-16
Rear tire	18.4R-38
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
ROPS Charging amps	65
Cab Charging amps	95
Charging volts	12
Batteries	2
Battery CCA	900
Battery volts	12

References

Maxxum MX Series published in 1997, by CaseIH
MX Series Tractors published in 1998, by CaseIH

Engine

Engine Detail — 359 ci / 5.9 L Diesel

Manufacturer	Cummins/CDC
Configuration	turbocharged diesel, 6-cylinder 12-valve, liquid-cooled inline
Displacement	359 ci 5.9 L
Bore/Stroke	4.016x4.724 inches 102 x 120 mm
Power	120 hp 89.5 kW
Fuel system	direct injection with mechanical governor, Bosch in-line A pump with Bosch 5-hole injectors
Air cleaner	dual-element dry
Compression	17.5:1
Rated RPM	2200
Starter volts	12
Oil capacity	15.8 qts 15.0 L
ROPS Coolant capacity	19.5 qts 18.5 L
Cab Coolant capacity	21 qts 19.9 L

CaseIH MX120 Engine

Transmission

Transmission options
16-speed synchromesh
16-speed partial power shift
32-speed creeper

Transmission — 16 forward and 12 reverse synchromesh

Type	synchromesh
Gears	16 forward and 12 reverse
Clutch	wet disc
Four gears in four ranges. Three reverse ranges. Ranges and gears fully synchronized.

Transmission — 16 forward and 12 reverse partial power shift

Type	partial power shift
Gears	16 forward and 12 reverse
Clutch	wet disc
Four power shift gears in four synchronized ranges. Three ranges in reverse.
Transmission
Type	creeper
Gears	32 forward and 24 reverse

Dimensions

CaseIH MX120 Tires
Ag front	11.00-16
Ag rear	18.4R-38

Dimensions
2WD Wheelbase	110.7 inches 281 cm
4WD Wheelbase	106.3 inches 270 cm
Length	197.7 inches 502 cm
Height (cab)	114.7 inches 291 cm
2WD Cab Shipping weight	11300 lbs 5125 kg
4WD Cab Shipping weight	12460 lbs 5651 kg
2WD Clearance (front axle)	23.75 inches 60 cm
4WD Clearance (front axle)	24.6 inches 62 cm
Rear axle	3.5 by 96 inches 88 by 2438 mm
Rear axle	3.5 by 112 inches 88 by 2844 mm
Front tread	60 to 88 inches 152 to 223 cm
Rear tread	60 to 88 inches 152 to 223 cm

Attachments

Attachment overview
Case IH L300 (76mm cyl) loader
CaseIH L300 (89mm cyl) loader

Photos

Case IH Maxxum MX120 with loader, right side.

Case IH Maxxum MX120, front view.

Two-wheel drive Case IH Maxxum MX120 at tractor pull, left side.

Case IH Maxxum MX120 discing, left side.

Recommended Implements & Sizing Guide

Engineering recommendations for Caseih MX120 Maxxum based on its 120 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	4 to 5 Bottom (16-18")4 - 5 铧 (40-45 cm)	Heavy Duty	Heavy primary tillage; semi-mounted hitch recommended.
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 Caseih MX120 Maxxum.

Estimated Continuous Field Runtime: 11.5 hrs

Approximately 11.5 hours of continuous field operation at ~75% rated power on a full tank (72 gal / 272.5 L).

Estimated 75% Load Fuel Burn~6.2 gal/hr (23.6 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