
Cummins-Type 6BT Diesel Engine for Genset & Marine (80-210 HP)
The 6BT is a proven inline 6-cylinder, turbocharged water-cooled diesel engine (Cummins B-series type) built…

Product images are illustrative marketing renders created to showcase the engine and its selling points; actual product appearance may vary.
The 4BTA3.9-C100 is a compact inline 4-cylinder, turbocharged water-cooled diesel engine (Cummins B-series type) built for construction machinery.With a 3.9 L displacement and 74 kW (100 HP) output, it delivers dependable, proven power in a small, easy-to-install package for demanding job-site work.
The 4BTA3.9-C100 is a compact inline 4-cylinder, turbocharged water-cooled diesel engine (Cummins B-series type) built for construction machinery. With a 3.9 L displacement and 74 kW (100 HP) output, it delivers dependable, proven power in a small, easy-to-install package for demanding job-site work.
| Model | 4BTA3.9-C100 |
|---|---|
| Engine type | Inline 4-cylinder, 4-stroke, turbocharged, water-cooled diesel |
| Rated power / speed | 74 kW (100 HP) @ 2200 rpm |
| Displacement | 3.9 L |
| Bore × Stroke | 102 × 120 mm |
| Net weight | 352 kg |
| Dimensions (L×W×H) | 777 × 627 × 906 mm |
| Combustion type | Direct injection |
| Application | Construction machinery |
| Warranty | 1 year |
| MOQ | 1 |
The 4BTA3.9 combines a rugged, compact inline-4 block with a turbocharger for higher intake air density, better response, and stronger output under load. A high-pressure injection pump with precise fuel lines delivers accurate fuel for reliable power, while a robust front timing-gear cover, crankshaft pulley, and vibration damper ensure smooth, dependable front-end operation. The direct-injection, water-cooled design provides long service life in dusty, high-heat, heavy-load environments.
Construction machinery including excavators, wheel loaders, bulldozers, and generator sets.
Available configurations can be discussed to suit specific machine requirements. Please contact us with your application details.
Construction machinery including excavators, wheel loaders, bulldozers, and generator sets.
The Cummins-Type 4BTA3.9-C100 Diesel Engine is supplied with a 1 year warranty. The exact warranty terms are confirmed on your quotation.
The minimum order quantity for the Cummins-Type 4BTA3.9-C100 Diesel Engine is 1. Mixed orders with other MARS products are welcome.
Available configurations can be discussed to suit specific machine requirements.Please contact us with your application details.
Each unit is checked against your order before dispatch, with a written outgoing-inspection report and video (machinery is run-tested). Goods are packed in export wooden-box or crate packing and shipped FOB or CIF from Shanghai; stock items ship promptly and built-to-order items typically within about 20 working days.
Send an inquiry with the required configuration, quantity and destination port using the form on this page, email inquiry@marine-equipment-supply.com or WhatsApp +86 176 2154 1688. We reply with a matched recommendation and quotation within 24 hours on working days.
Tell us the configuration, quantity and destination port. We reply within 24 hours on working days.

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