Caterpillar C2.2T (C2_2T) Diesel Engine Parts
The Caterpillar C2.2TÑalso referred to as the Cat C2_2TÑis a compact 2.2_liter, inline_4 turbocharged indirect-injection diesel engine, commonly found in mini_excavators, aerial lifts, compressors, light generators, and turf equipment. Produced through the mid_2010s into 2019, it combines ultra_compact size, reliability, and fuel efficiency. Power ratings range from approximately 41.6_HP (31_kW) to 74_HP (55_kW) at up to ~2800_RPM, with torque between ~150Ð200_lb_ft depending on model variant. [oai_citation:0àLECTURA Specs](https://www.lectura-specs.com/en/model/components/engines-caterpillar/c2-2t-11689070?utm_source=chatgpt.com) [oai_citation:1àCat](https://www.cat.com/en_US/products/new/power-systems/industrial/industrial-diesel-engines/15969714.html?utm_source=chatgpt.com) [oai_citation:2àCat](https://www.cat.com/en_US/products/new/power-systems/industrial/industrial-diesel-engines/18391931.html?utm_source=chatgpt.com) [oai_citation:3àLECTURA Specs](https://www.lectura-specs.com/en/model/components/engines-caterpillar/c2-2t-11689070?utm_source=chatgpt.com) [oai_citation:4àMacAllister Power Systems](https://www.macallisterpowersystems.com/wp-content/uploads/sites/4/2023/09/C2.2-Spec-Sheet.pdf?utm_source=chatgpt.com).
- Rated power: up to 74_HP (55_kW) and torque of ~199_lb_ft (270_Nm @ 1600_RPM) for turbocharged models [oai_citation:5àCat](https://www.cat.com/en_US/products/new/power-systems/industrial/industrial-diesel-engines/15969714.html?utm_source=chatgpt.com) [oai_citation:6àNMC Cat](https://nmccat.com/products/new/power-systems/industrial/cat-c2-2-diesel-engine-2/?utm_source=chatgpt.com).
- Meets modern emissions: EPA Tier_4 Final / CAT EU Stage_V equivalent configurations available [oai_citation:7àCat](https://www.cat.com/en_US/products/new/power-systems/industrial/industrial-diesel-engines/15969714.html?utm_source=chatgpt.com) [oai_citation:8àCat](https://www.cat.com/en_US/products/new/power-systems/industrial/industrial-diesel-engines/18391931.html?utm_source=chatgpt.com).
- Compact and lightweight: engine net dry weight ranges from ~184Ð231_kg (406Ð509_lb), making it ideal for tight equipment packages [oai_citation:9àLECTURA Specs](https://www.lectura-specs.com/en/model/components/engines-caterpillar/c2-2t-11689070?utm_source=chatgpt.com) [oai_citation:10àCat](https://www.cat.com/en_US/products/new/power-systems/industrial/industrial-diesel-engines/15969714.html?utm_source=chatgpt.com) [oai_citation:11àNMC Cat](https://nmccat.com/products/new/power-systems/industrial/cat-c2-2-diesel-engine-2/?utm_source=chatgpt.com).
- Indirect injection system with mechanical or e-controller options, offering quiet, dependable performance in heavy-duty environments [oai_citation:12àScene7](https://s7d2.scene7.com/is/content/Caterpillar/CM20210827-18c16-81a8a?utm_source=chatgpt.com) [oai_citation:13àCat](https://www.cat.com/en_US/products/new/power-systems/industrial/industrial-diesel-engines/18391931.html?utm_source=chatgpt.com).
- Turbocharged or turbo-aftercooled options (T/TA) for improved altitude and load performance [oai_citation:14àCat](https://www.cat.com/en_US/products/new/power-systems/industrial/industrial-diesel-engines/15969714.html?utm_source=chatgpt.com) [oai_citation:15àScene7](https://s7d2.scene7.com/is/content/Caterpillar/CM20210827-18c16-81a8a?utm_source=chatgpt.com) [oai_citation:16àCat](https://www.cat.com/en_US/products/new/power-systems/industrial/industrial-diesel-engines/18391931.html?utm_source=chatgpt.com).
- Wet-sleeve cylinder liners designed for simplified in-frame rebuilds and long service lifeÑsupported by quality aftermarket parts. [oai_citation:17àMaxiforce](https://maxiforce.com/engine-kit/caterpillar-c2-2-turbocharged/?utm_source=chatgpt.com) [oai_citation:18àKMP Brand Store](https://store.kmpbrand.com/us/caterpillar/c22?limit=75&order=DESC&sort=p.price&utm_source=chatgpt.com).
- Efficient service design with single-side access and standard 500_hour maintenance intervals for lower cost of ownership. [oai_citation:19àCat](https://www.cat.com/en_US/products/new/power-systems/industrial/industrial-diesel-engines/18391931.html?utm_source=chatgpt.com) [oai_citation:20àEMC](https://emc.cat.com/pubdirect.ashx?media_string_id=MSS-IND-18374186-005.pdf&utm_source=chatgpt.com).
Common Issues & Replacement Parts Needed
- Fuel injectors and injection pump modules may wear over time, impacting performance or emissions compliance.
- Turbocharger units and seals (in T/TA versions) can fail in high-hour engines.
- Cooling components such as water pumps, thermostats, and hoses require regular inspection to avoid overheating.
- Gaskets, seals, and glow plugs degrade over timeÑleaks or hard starting are possible.
- Pistons, rings, liners, rod/main bearings often need replacement during mid- to high-mileage engine overhauls.
Key Replacement Parts for the C2.2T Engine
Premium parts are available from KMP USA, Maxiforce, Highway & Heavy Parts, and more. These include:
- Turbochargers, oil pumps, water pumps, and oil coolers (KMP includes parts like B238_9349 turbo, B339_3017 oil pump, B245_1361 cooler) [oai_citation:21àMaxiforce](https://maxiforce.com/engine-kit/caterpillar-c2-2-turbocharged/?utm_source=chatgpt.com) [oai_citation:22àKMP Brand Store](https://store.kmpbrand.com/us/caterpillar/c22?limit=75&order=DESC&sort=p.price&utm_source=chatgpt.com).
- Injector assemblies, fuel-water separator, injection pump modules, and related components.
- Overhaul kits with pistons, rings, liners, wear bearings, and complete gasket sets.
- Valve train kits, cylinder heads, camshaft or tappet pieces as needed.
- Alternators (~12_V, 65_85_A), starters, glow plugs, DPF/DOC gear for emissions_compliant models.
The Caterpillar C2.2T (C2_2T) engine delivers compact, efficient, and quiet diesel power that’s easy to maintain and service. Backed by full aftermarket support and rebuildable wet-sleeve construction, this engine offers operators outstanding uptime and value in industrial, construction, rental, and material-handling applications. Always choose quality replacement parts to maximize performance, reliability, and longevity.
