CAT C4.4 Industrial Diesel
Compact Power, Global Reliability
Power Range: 72 – 129 HP (54 – 96 kW) | Rated Speed: 2,200 – 2,400 RPM
Configuration: 4-cylinder 4.4 L; available in naturally aspirated and turbocharged versions
Why the C4.4?
- High Power Density – Delivers up to 129 HP from a compact 4-cylinder block, ideal where space and weight matter.
- Advanced Fuel System & Electronics – Precise injection and integrated ECU maximize fuel economy and throttle response.
- Tier 4 Final / Stage V Compliance – Factory-installed SCR and DPF aftertreatment slash NOx and particulate emissions without sacrificing performance.
- Built Tough – Cast-iron block, hardened crankshaft, and robust sealing keep the C4.4 running strong in punishing environments.
- Easy Service – 500-hour oil intervals, spin-on filters, and global parts availability cut downtime and operating costs.
Proven Across Industries
- Construction & Rental: compactors, rollers, skid steers, crushers, aerial lifts, cranes
- Agriculture & Forestry: tractors, sprayers, feller bunchers, chippers, grinders
- Industrial & Power Gen: compressors, pumps, drill rigs, gensets, aircraft ground-support units
- Specialty Vehicles: utility trucks, light marine auxiliaries, stationary power packs
Stocked & Supported by Boots & Hanks Truck Parts
Get genuine C4.4 complete engines, reman long blocks, turbochargers, injectors, ECUs, and full gasket kits—all compression-tested and warrantied. We crate same-day and ship worldwide, backed by Caterpillar-trained technicians and a full inventory of service parts.
Call 800-738-7802 or browse the live catalog at BootsAndHanksTruckParts.com to keep your equipment running with Cat-class reliability.