Case IH 2120 Overview
CaseIH 2120: Case IH 2120 Tractor, produced 1988–1993, is a compact, versatile workhorse with a 183.1 cubic inch (3.0 L) diesel engine and a published 40 hp PTO.
This model relies on a Carraro-built chassis with straightforward open-center hydraulics and a simple layout that favors serviceability and parts matching for owners, restorers, and buyers.
Before buying parts or planning service, verify the tractor’s exact configuration against its serial range; serial-prefix and year data guide accurate parts and maintenance decisions. Use the cited manuals, parts diagrams, and test reports to confirm the exact configuration before relying on one spec line.
CaseIH 2120 Quick Answers
- Production years1988–1993
- Engine183.1 ci (3.0 L) diesel engine
- Rear PTO and hitch540 (1.375) rear PTO with a Category I/II rear hitch
- PTO power40 hp (29.8 kW)
- Fuel capacity15.85 gal (60.0 L)
Engine and Power
Engine notes: 183.1 ci (3.0 L) displacement with 17:1 compression provides a straightforward power package for typical 2120 tasks.
Diesel engine
SLH 100.3.A / diesel / 3-cylinder / air-cooled
| Displacement | 183.1 ci 3.0 L |
|---|---|
| Bore Stroke | 4.134x4.547 inches 105 x 115 mm |
| Air Cleaner | dual dry element |
| Compression | 17:1 |
| Rated Rpm | 2350 |
| Torque | 115.1 lb-ft 156.1 Nm |
| Torque Rpm | 1200 |
| Firing Order | 1-3-2 |
| Starter | electric |
| Starter Volts | 12 |
| Engine Oil Capacity | 7.1 qts 6.7 L |
| Intake Valve Clearance | 0.008 inches * Cold. 0.203 mm |
| Exhaust Valve Clearance | 0.008 inches * Cold. 0.203 mm |
Manufacturer
Manufacture years
Transmission
Transmission notes: offerings include partially synchronized gears with 8 or 12 forward/reverse arrangements; clutch action and range shifts depend on configuration.
8-speed partially synchronized
| Type | partially synchronized |
|---|---|
| Gears | 8 forward and reverse |
| Clutch | 280mm dry disc |
| 2wd Oil Capacity | 38 qts 36.0 L |
| 4wd Oil Capacity | 40.2 qts 38.0 L |
12-speed partially synchronized
| Type | partially synchronized |
|---|---|
| Gears | 12 forward and reverse |
| Clutch | 280mm dry disc |
| 2wd Oil Capacity | 38 qts 36.0 L |
| 4wd Oil Capacity | 40.2 qts 38.0 L |
PTO and Hitch
PTO and hitch: rear PTO is 540 (1.375) with a Category I/II hitch setup; plan implement matching and speed requirements accordingly.
Rear PTO
Rear PTO type
Engine RPM
Rear hitch
Hydraulics
Hydraulics: open-center system with a 15.6 gpm (59.0 lpm) pump flow and 1–2 valves, impacting ballast and implement compatibility.
Type
Pump flow
Valves
Fluids, Battery, and Service Facts
Maintenance context: engine oil capacity is listed at 7.1 qts (6.7 L); battery is 12V with 100 Ah; use manuals to confirm fluid types and filter Part numbers for your serial range.
Fuel tank
Battery volts
Battery Ah
Tires and Dimensions
Tire and dimension values can vary by wheel, axle, and configuration.
Weight
Front tire
Electrical
Electrical rows are included when documented.
Ground
Charging system
Charging amps
Battery volts
Serial Number Lookup
Serials help narrow year and configuration; serial prefixes and regional builds require corroboration from the operator or parts manuals.
location
Manuals and Documents
The documents below add manual, parts, and test context for the CaseIH 2120. They are useful for controls, service categories, parts matching, and tested-performance details that do not fit into short spec rows.
Match coverage carefully before relying on a document for service decisions, especially when one manual, catalog, or report covers several models, fuel types, transmissions, or tractor variants.
- Operator Manuals - Case IH (Older Models Prior to 2007)Case IH's guidance for obtaining operator manuals; notes that older-model manuals (pre-2007) are purchased via the Document Management Center.Open source
- Document Management Center (Case IH) - older-model operator manualsPointer to purchasing operator manuals for older Case IH equipment (pre-2007).Open source
- Case 2120/2130/2140/2150 Tractors PDF Operator’s ManualsOperator manuals for the 2100-series Case IH tractors: 2120, 2130, 2140, 2150 (1998-2001 range).Open source
- CASE 2100 Parts - ProPart RicambiParts catalog for the Case IH 2100 series including 2120; provides part numbers and diagrams.Open source
- Test 2120: Case IH Magnum 220Nebraska Tractor Test Laboratory report for Test 2120, Magnum 220; OECD testing context; 2015 version.Open source
- Magnum 220 - Case IH (official product page)Official product page for Magnum 220, illustrating the continued Case IH tractor lineage and its documentation ecosystem.Open source
Parts Checks Before Ordering
Do not order CaseIH 2120 parts from the model name alone. Match the part to the tractor's model code, serial range, engine, transmission, PTO setup, and build year before selecting service parts.
Filters, fluids, belts, electrical parts, clutch and PTO parts, and hydraulic parts can vary by setup. Exact part numbers require a parts catalog, manual, or trusted supplier source before making recommendations.
Accuracy Note
Tractor specifications can vary by year, region, factory configuration, installed equipment, and later repairs. Match serial range, engine, transmission, PTO setup, and model code before ordering parts or doing service work.