Heavy Hauler Long Block Engine Dodge/Ram 5.9L Cummins 2004.5-2007
Heavy Hauler Long Block Engine Dodge/Ram 5.9L Cummins 2004.5-2007 is backordered and will ship as soon as it is back in stock.
Confirm vehicle fitment
Confirm vehicle fitment
Confirm fitment before ordering. Match the year, make, model, trim, engine, drivetrain and selected options shown on this page. If any detail is unclear, search your exact vehicle or contact us before checkout.
Shipping expectations
Shipping expectations
Availability and processing time can vary by manufacturer. Available shipping choices and charges appear at checkout. Tracking is emailed after shipment. Oversized, special-order and supplier-shipped items can require additional processing time.
Returns and cancellations
Returns and cancellations
Please review eligibility before purchase. Installed, used, electronic, custom, special-order and clearance items may have return restrictions. Contact us promptly if you need to change or cancel an order.
What’s included
What’s included
The product description and selected variant determine what is included. Items shown in lifestyle or installation photos are not included unless they are specifically listed in the description.
Heavy Hauler Long Block Engine Dodge/Ram 5.9L Cummins 2004.5-2007 is backordered and will ship as soon as it is back in stock.
Buy with confidence
Verify fitment, selected options, availability and included components before checkout. Secure payment options and order confirmation are provided at checkout.
Description
Description
ATTENTION!
Not for sale on licensed California vehicles.
The Heavy Hauler 5.9 Cummins Common Rail Long Block is built for towing, heavy-duty work, and high-performance applications, delivering up to 700 HP while improving airflow, fuel efficiency, and durability. This long block includes a D&J Stage 1 High-Performance Cylinder Head, a street/towing camshaft for lower EGTs, and custom ARP 9/16” head studs for maximum sealing strength. Fully blueprinted, CNC-machined, and pre-lubed with break-in oil, this long block is engineered for superior reliability and performance. Manufactured by D&J Precision Machine, this engine is designed to handle extreme workloads with ease.
FEATURES
- Rated for up to 700 HP - Designed for demanding work applications, though high-horsepower tuning is not recommended for heavy towing
- Stage 1 High-Performance Cylinder Head - 5-axis CNC ported with heavy-duty oversized intake and exhaust seats for maximum airflow and durability
- Street/Towing Performance Camshaft - Lowers EGTs by 200-300 degrees, improving efficiency and fuel economy
- Custom ARP 9/16" Head Studs - Delivers superior head-to-block sealing for high-boost applications
- Fully Assembled & Pre-Lubed - Includes oil pan, front cover, rocker box, and break-in oil for quick installation
WARRANTY
- 24-Months
- 24-Months
NOTE
- For any warranty claims / issues please contact D&J Precision Machine. Phone: 740-297-7223
- Not for sale on licensed California vehicles
VIDEOS
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Product features
Use this section to highlight specific product features to your customers.
Product comparison grid
Add content here to explain a bit about the range of products on offer and which ones may be most suitable for your customers.



