The Heavy Hauler is D&J Precision Machine's long block for 6.7L Cummins trucks that tow and work hard. BD rates it for up to 700 hp.
It pairs a D&J Stage 1 cylinder head with a street/towing camshaft that BD says lowers EGTs, plus custom ARP 9/16 head studs for head-to-block sealing under load.
Owners of 2007.5-2012 Dodge Ram 2500/3500 and 2008-2012 Ram 4500/5500 trucks replacing a tired or damaged engine who tow heavy or plan moderate power upgrades.
| Engine | 6.7L Cummins, 2007.5-2012 |
|---|---|
| Power rating | Up to 700 hp |
| Cylinder head | D&J Stage 1 high-performance |
| Camshaft | Street/towing grind |
| Head studs | Custom ARP 9/16 |
| Machining | CNC machined and blueprinted |
| Warranty | 24 months |
| Shipping weight / box | 1500 lb · 40 × 48 × 48 in |
Professional install available at Powertech Diesel, Idaho Falls — call 208-542-7793.
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