Case IH MX120 Tractor Parts
MX120 parts and accessories
The Case IH MX120 tractor, manufactured from 1997 to 2002, was a popular choice for farmers needing a reliable and versatile machine. Powered by a Cummins 5.9L diesel engine producing approximately 120 horsepower, and boasting a robust PTO, the MX120 provided ample power for a variety of agricultural tasks. Its comfortable cab and ease of operation made it a favorite for both row crop and livestock operations.
The Case IH MX120 was introduced as part of the MX series, a line of tractors designed to offer enhanced performance and operator comfort compared to previous models. Production ran from 1997 to 2002. Under the hood lies a Cummins 5.9L 6-cylinder diesel engine, generating around 120 horsepower. This powerplant delivers robust performance for demanding tasks. The transmission is typically a partial powershift, offering smooth gear changes under load. The MX120 features a 100 PTO horsepower rating, available with both 540 and 1000 RPM options. Hydraulic capacity is rated at approximately 27.7 GPM, with options for multiple remote valves. The 3-point hitch is a Category II, offering a lift capacity of around 6,700 lbs. Common applications for the MX120 include row crop work such as planting and cultivating, hay production with balers and mowers, livestock feeding and material handling, and light tillage operations. The MX120 distinguished itself with its comfortable cab, reliable engine, and versatile capabilities, making it a valuable asset for farmers across various agricultural sectors.
Specifications
| Engine | Cummins 5.9L 120 HP Diesel |
|---|---|
| PTO HP | 100 HP @ 540/1000 RPM |
| Transmission | Partial Powershift, 16 Forward / 12 Reverse |
| Hydraulics | 27.7 GPM, 2-3 remotes |
| 3-Point Hitch | Category II, 6700 lbs |
| Fuel Capacity | 44 gallons |
| Weight | 13,420 lbs |
| Years Produced | 1997-2002 |
Maintenance Tips
- Check engine oil and filter regularly, replacing them every 250-300 hours or as recommended by the manufacturer. Use the correct oil type specified for Cummins diesel engines.
- Inspect hydraulic fluid levels and filter condition frequently, replacing the hydraulic filter at recommended intervals to prevent contamination and maintain optimal hydraulic system performance.
- Use high-quality fuel and add a fuel stabilizer during seasonal storage to prevent fuel degradation and injector clogging. Change fuel filters regularly.
- Before storing the tractor for the off-season, thoroughly clean it, grease all fittings, and disconnect the battery to prevent corrosion and maintain its condition.
History & Background
The Case IH MX120 was launched in 1997 as part of the MX series, representing a significant upgrade in terms of operator comfort and performance. There were no major redesigns during its production run, with minor updates focusing on refinements rather than fundamental changes. The MX120's enduring popularity highlights its reliability and versatility in the agricultural landscape.
Frequently Asked Questions
What engine is in the Case Ih MX120?
The Case IH MX120 is equipped with a Cummins 5.9L 6-cylinder diesel engine, producing approximately 120 horsepower.
What is the PTO horsepower on a MX120?
The PTO horsepower of the Case IH MX120 is approximately 100 HP, and it offers both 540 and 1000 RPM PTO speed options.
What oil filter fits the MX120?
The Case IH MX120 typically uses a Fleetguard LF3349 or equivalent oil filter. Cross-references include Wix 51791 and Fram PH3976A. Always verify with your parts supplier for the most up-to-date information.
What are common parts needed for the MX120?
Common parts needed for the Case IH MX120 include engine oil filters, fuel filters, hydraulic filters, air filters, belts for the engine and accessories, hydraulic seals for cylinders and valves, steering components (tie rod ends, ball joints), and clutch components for tractors with manual transmissions.

A187906 - Bosch IR/EF Voltage Regulator
SKU: A187906
5 in stock

A187823 - Bosch Alternator
SKU: A187823
84 in stock

A187623 - Bosch Alternator
SKU: A187623
Out of stock

A186125 - Bosch Alternator
SKU: A186125
84 in stock

83989947 - Starter Relay
SKU: 83989947
23 in stock

282775A1 - Ignition Switch
SKU: 282775A1
69 in stock

245908C1 - Hazard Switch
SKU: 245908C1
24 in stock

1964831C2 - Set (2) Key
SKU: 1964831C2
150 in stock

177249A1 - 4-Position Rotary Switch
SKU: 177249A1
154 in stock

1502351C1 - 12V Relay
SKU: 1502351C1
28 in stock

121646C1 - 7 Pin (North America) Implement Lights Plug
SKU: 121646C1
126 in stock

121645C1 - 7 Pin (North America) Implement Lights Socket
SKU: 121645C1
153 in stock

116928A2 - Nippo Starter
SKU: 116928A2
10 in stock

114799A1 - Bosch Starter
SKU: 114799A1
89 in stock

310208A2 - Telescopic; Hitch Stabilizer
SKU: 310208A2
9 in stock

1965392C3 - Lift Link Turnbuckle
SKU: 1965392C3
7 in stock

1533545C2 - Support Assembly (LH)
SKU: 1533545C2
10 in stock

120974A1 - Lift Link Latch Assembly
SKU: 120974A1
7 in stock

114418A2 - Support Assembly (RH)
SKU: 114418A2
22 in stock

104642A2 - Offset Drawbar
SKU: 104642A2
51 in stock

LF3959J - Full-Flow Spin-On (QTY 1) Lube Filter
SKU: LF3959J
Out of stock

LF3959 - Full-Flow Spin-On (QTY 12) Lube Filter
SKU: LF3959
65 in stock

LF3894J - Spin-On (QTY 1) Lube Filter
SKU: LF3894J
Out of stock

LF3894 - Spin-On (QTY 12) Lube Filter
SKU: LF3894
16 in stock
