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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 SAA6D114E-3 for Komatsu PC300-8, PC350-8 & PC360-8 Excavators

Regular price $7,564.00
Sale price $7,564.00 Regular price $3,782.00
Engine Assembly 6I0793 for Cat 3116 Engine – CAT 953B Loader

Engine Ass'y D1105 for Kubota Diesel Applications

Regular price $4,398.00
Sale price $4,398.00 Regular price $2,199.00
Engine Ass'y 4BT3.9 for Cummins Excavator Applications

Engine Ass'y 1106D-70 for Perkins Applications

Regular price $11,962.00
Sale price $11,962.00 Regular price $5,981.00
Engine Assembly 6I0793 for Cat 3116 Engine – CAT 953B Loader

Engine Ass'y ISB QSB 6.7 6D107 for Cummins Applications

Regular price $7,916.00
Sale price $7,916.00 Regular price $3,958.00
Engine Assembly 6I0793 for Cat 3116 Engine – CAT 953B Loader

Engine Ass'y SAA12V140E-3 for Komatsu PC2000 & HD785-7

Regular price $17,591.00
Sale price $17,591.00 Regular price $8,796.00
Engine Assembly 6I0793 for Cat 3116 Engine – CAT 953B Loader

Engine Ass'y 404D-22T for Perkins Industrial Applications

Regular price $880.00
Sale price $880.00 Regular price $440.00
Engine Ass'y 4BT3.9 for Cummins Excavator Applications

Engine Ass'y 4BT3.9 for Cummins Excavator Applications

Regular price $4,398.00
Sale price $4,398.00 Regular price $2,199.00
Engine Assembly 6I0793 for Cat 3116 Engine – CAT 953B Loader

Engine Ass'y 6CTA8.3-G1 G2 for Cummins Generators

Regular price $6,157.00
Sale price $6,157.00 Regular price $3,079.00
Engine Assembly 6I0793 for Cat 3116 Engine – CAT 953B Loader

Engine Ass'y 4BT3.9 for Hyundai R170LC-5 Excavator

Regular price $5,278.00
Sale price $5,278.00 Regular price $2,639.00
Engine Assembly 6I0793 for Cat 3116 Engine – CAT 953B Loader

Engine Ass'y 6BTAA5.9-C for CLG927D Excavator

Regular price $9,411.00
Sale price $9,411.00 Regular price $4,706.00
Engine Ass'y C13 for CAT 336 Excavator & 740 Dump Truck

Engine Ass'y S4S 32A32-05100 for Excavators

Regular price $2,111.00
Sale price $2,111.00 Regular price $1,056.00
Engine Assembly 6I0793 for Cat 3116 Engine – CAT 953B Loader

Engine Ass'y C15 365-2961 for CAT Excavators

Regular price $32,665.00
Sale price $32,665.00 Regular price $16,333.00
Engine Assembly 6I0793 for Cat 3116 Engine – CAT 953B Loader

Caterpillar C2.2 Diesel Engine Assembly (Perkins 1104D-44T) for CAT 216B & 226B Skid Steer Loaders

Regular price $8,268.00
Sale price $8,268.00 Regular price $4,161.00
Caterpillar C11 Engine Assembly 360-6751 for CAT 330D 950H

C11 Engine Assembly 360-6751 3606751 for CAT Caterpillar 330D, 345C, 950H, 740B Engines

Regular price $45,765.00
Sale price $45,765.00 Regular price $45,765.00
Diesel Engine Assembly PE11203 for John Deere 323D Loader

Diesel Engine Assembly PE11203 for John Deere 323D Compact Track Loader

Regular price $8,686.00
Sale price $8,686.00 Regular price

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.

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