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Engine Assembly for Heavy Machinery

Restore full power and efficiency to your equipment with premium engine assemblies for heavy machinery from Imara Engineering Supplies. Our complete engine units are engineered for performance, durability, and compatibility, ensuring your excavators, loaders, bulldozers, and other construction machines operate at peak output. Built to withstand demanding workloads and harsh environments, Imara engine assemblies deliver reliable combustion, smooth operation, and long service life.

Designed as direct-fit replacements for leading equipment brands, our OEM-style and aftermarket engine assemblies make machine overhauls faster, simpler, and more cost-effective. Whether you're dealing with reduced power, engine failure, or high operating hours, installing a new or remanufactured engine assembly can drastically reduce downtime and restore productivity. With Imara’s technical support and worldwide delivery, your fleet can get back to work with confidence.

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53 products

Engine Assembly 6I0793 for Cat 3116 Engine – CAT 953B Loader

Engine Ass'y 3066 (S6K) for CAT E320CD Excavators

Regular price £4,066.00
Sale price £4,066.00 Regular price £2,033.00
Engine Ass'y 4BT3.9 for Cummins Excavator Applications

Engine Ass'y C13 Diesel for CAT E349D Excavators & Marine Engines

Regular price £21,600.00
Sale price £21,600.00 Regular price £7,065.00
Hydraulic/Transmission Cooler Type 2 56021486 LH621 Loader

Engine Ass'y CAT C2.8 (Perkins 1103D-33) for CAT 301.8 & 302 CR Mini Excavators

Regular price £3,965.00
Sale price £3,965.00 Regular price
Engine Assembly 6I0793 for Cat 3116 Engine – CAT 953B Loader

Engine Ass'y C3.3 Diesel for CAT Excavators

Regular price £4,575.00
Sale price £4,575.00 Regular price £2,033.00
Water Pump GP 235-4536 for Caterpillar C13 C15 C18 Engines

Engine Ass'y C4.4 Diesel for CAT 312E Excavators

Regular price £8,335.00
Sale price £8,335.00 Regular price £3,151.00
Engine Assembly 6I0793 for Cat 3116 Engine – CAT 953B Loader

Engine Ass'y C4.4 (Perkins 1104D-E44TA) for CAT E320GC Excavators

Regular price £8,335.00
Sale price £8,335.00 Regular price £3,485.00
Engine Assembly 6I0793 for Cat 3116 Engine – CAT 953B Loader

Engine Ass'y C6.6 S4K for CAT E312 & 312C Excavators

Regular price £7,573.00
Sale price £7,573.00 Regular price £661.00
Water Pump GP 235-4536 for Caterpillar C13 C15 C18 Engines

Engine Ass'y C7.1 503-8792 for CAT 336GC & 330GC Excavators

Regular price £9,403.00
Sale price £9,403.00 Regular price £2,948.00
Engine Assembly 6I0793 for Cat 3116 Engine – CAT 953B Loader

Engine Ass'y C9.3 415-4103 for CAT D6T, D8T, 320D & 330D Machines

Regular price £11,476.00
Sale price £11,476.00 Regular price £10,673.00
Engine Ass'y C13 for CAT 336 Excavator & 740 Dump Truck

Engine Ass'y C13 for CAT 336 Excavator & 740 Dump Truck

Regular price £246,489.00
Sale price £246,489.00 Regular price
Engine Ass'y C18 359-1812 for CAT 390D Excavator

Engine Ass'y C18 359-1812 for CAT 390D Excavator

Regular price £33,035.00
Sale price £33,035.00 Regular price £2,542.00
Engine Ass'y C27 353-1664 for CAT & Atlas Copco

Engine Ass'y C27 353-1664 for CAT & Atlas Copco Industrial Applications

Regular price £44,470.00
Sale price £44,470.00 Regular price £47,265.00

Engine Ass'y C32 340-2668 for Genset & CAT 789D Mining Truck

Regular price £45,487.00
Sale price £45,487.00 Regular price £127,057.00
Engine Assembly 6I0793 for Cat 3116 Engine – CAT 953B Loader

Engine Ass'y 3406 for CAT D9R Dozer

Regular price £9,433.00
Sale price £9,433.00 Regular price £30,494.00
Engine Ass'y C13 for CAT 336 Excavator & 740 Dump Truck

Engine Ass'y 3508 for CAT 789 & 793 Mining Trucks

Regular price £0.00
Sale price £0.00 Regular price
Engine Assembly 6I0793 for Cat 3116 Engine – CAT 953B Loader

Engine Ass'y 3512 for CAT 7495 Electric Rope Shovel

Regular price £10,165.00
Sale price £10,165.00 Regular price £5,083.00
Engine Ass'y 4BT3.9 for Cummins Excavator Applications

Engine Ass'y 3516 for CAT 797F Mining Truck

Regular price £6,790.00
Sale price £6,790.00 Regular price £3,395.00
Engine Assembly 6I0793 for Cat 3116 Engine – CAT 953B Loader

Engine Ass'y C7.1 for CAT E323D2 Excavator

Regular price £12,198.00
Sale price £12,198.00 Regular price £6,099.00
Engine Assembly 6I0793 for Cat 3116 Engine – CAT 953B Loader

Engine Ass'y 6BT5.9 for Cummins Applications

Regular price £3,355.00
Sale price £3,355.00 Regular price £1,678.00

Collection: Engine Assembly

Why Choose Imara for Engine Assemblies?

Contractors, fleet managers, and operators trust Imara Engineering Supplies for aftermarket engine assemblies that meet or exceed OEM specifications. Customers rely on us because we offer:

High-performance engines built for durability and continuous operation

Compatibility with Caterpillar, Komatsu, Hyundai, Hitachi, John Deere, and more

Competitive pricing and reliable global shipping

Expert technical guidance and 24/7 after-sales support

With Imara, sourcing the right replacement engine assembly is efficient, accurate, and hassle-free.

Our Range of Complete Engine Assemblies

We supply a wide variety of engine assemblies for heavy equipment, including:

Fully assembled diesel engines

Remanufactured engines for cost-effective replacements

Long block and short block assemblies

OEM-style rebuilds and high-quality aftermarket upgrades

Each listing includes detailed compatibility notes so you can select the correct unit with certainty.

Applications in Heavy Machinery

Engine assemblies are the core of machine performance, delivering the power needed for digging, lifting, grading, and driving. Imara’s heavy-duty engines are used across construction, mining, agriculture, and industrial sectors—providing the torque, reliability, and fuel efficiency operators depend on. By choosing quality assemblies, contractors reduce maintenance costs, extend machine life, and keep productivity high even under extreme workloads.

Order with Confidence

When you choose Imara Engineering Supplies, you’re partnering with a supplier committed to performance and reliability. Every engine assembly undergoes rigorous testing to ensure optimal output, smooth operation, and long-term durability. With fast international delivery and round-the-clock support, Imara makes it easy to restore your machinery to full working condition.

Frequently Asked Questions

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