Cummins
Cummins 4BTAA3.9-C100 Engine Assembly
Remanufactured
- Supplied as
- Engine Assembly
- Arrangement / engine number
- Confirm against engine plate
- Displacement
- 3.9 L related B3.9 variant
- Reference configuration
- Inline four-cylinder, turbocharged and charge-air-cooled B3.9 variant
Manufacturer reference data; the supplied build must be confirmed.
Manufacturer application references
- The B3.9 family is documented for industrial construction and agricultural power; exact -C100 fitment is build-dependent.
Confirm the full engine suffix, arrangement and machine serial number for an exact match.
With your order
- 6-month standard brand warranty Included
- Technical review & engine matchingIncluded at no extra cost. We compare the proposed engine with your current assembly using its data plate, arrangement and configuration to confirm the exact match before ordering. Included
- Genuine brand partsReman engines are configured with genuine brand parts, with no aftermarket parts. Included
- Dyno performance test Optional paid
- Complete teardown report On request
- Complete engine testing video On request
- Custom packaging and pallet labeling On request
- Protective coating and paint finish On request
- Custom testing requirements On request
More service options
Pre-dispatch inspection welcomeOptional paid
Radiator, compressor, injector and configuration add-onsBy quote
Any extra cost and preparation time are agreed before proceeding.
Explore engine servicesFreight is charged per engine and shown at checkout.
- No core deposit or return
- International shipping on all engines
Product details
Engine overview
Cummins 4BTAA3.9-C100 engine assembly. This 3.9 L B-series variant uses the four-cylinder turbocharged, charge-air-cooled architecture documented by Cummins. The -C100 suffix should be checked as a complete build designation before replacing an installed engine.
A Cummins 4BTAA3.9-G4 generator specification confirms architecture and geometry for a related variant, but does not define the offered -C100 machinery rating or accessory set.
Configuration & included components
- Engine model: Cummins 4BTAA3.9-C100.
- Condition: Remanufactured.
- Supply scope: engine assembly; included components and exact build are confirmed in the written order specification.
- Product code: NYE-CUM-4BTAA3-9-C100-R-ENG-S54731317.
Warranty & delivery
- 6-month standard brand warranty
- There is no core deposit and no requirement to return your old engine.
- International DDP: Available for all engines, with estimated delivery in 2–3 weeks. Duties, tariffs, import taxes and customs fees are included.
- Freight is charged per engine and shown at checkout.
Technical specifications
The figures below identify manufacturer-documented models or clearly marked supplier references. They do not establish the rating, emissions certification, included accessories or exact weight of this offered assembly.
| Specification | Reference detail |
|---|---|
| Reference configuration | Inline four-cylinder, turbocharged and charge-air-cooled B3.9 variant |
| Displacement | 3.9 L related B3.9 variant |
| Bore × stroke | 102 × 120 mm on related 4BTAA3.9-G4 |
| Build identification | Serial, configuration and CPL from Cummins dataplate records |
Technical details
For a reman replacement, compare the charge-air and exhaust plumbing, injection equipment, flywheel housing, front accessory drive and electronic or mechanical controls. Request the reman scope and test evidence for the actual assembly in writing.
Applications & fitment
Documented application references
- The B3.9 family is documented for industrial construction and agricultural power; exact -C100 fitment is build-dependent.
These are manufacturer or machine-OEM model references, not a fitment guarantee for the particular assembly supplied.
Confirm your engine match
Email info@nyengines.com with the current engine plate, machine model and serial, destination, and product code NYE-CUM-4BTAA3-9-C100-R-ENG-S54731317. We will check the required configuration and included components with you.
Buyer guide
- Provide the existing -C100 engine plate and Cummins CPL if available.
- Match charge-air plumbing, turbo position, starter and alternator arrangement.
- Confirm reman work scope, included components and any required test report.
Buying questions
Is the -G4 data the -C100 rating?
No. It is a related generator variant used only for family geometry and architecture.
What confirms a reman match?
The serial/CPL, installation interfaces, reman scope and exact supplied configuration should be checked together.