VEGE Remanufactured DCU8 6.5L 395ci Heavy Duty Long Block Engine
Forget patching cracked blocks when VEGE Remanufactured DCU8 6.5L 190HP heavy duty diesels arrive. A seasoned 395 CID foundation generates 380 TQ handling extreme towing loads effortlessly. Connect your glow plugs.
- Heavy cast iron limits structural vibration
- 190 HP moves classic utility vehicles
- Included harmonic balancer dampens crankshaft harmonics
Description
Harmonic balancer outer ring separation breaking front crankshaft snouts cripples municipal route trucks. The VEGE DCU8 Heavy Duty Long Block Engine eliminates bottom end crankshaft failures during industrial engine rebuild operations. This 6.5L 395ci 8-Cylinder turbo diesel generates 215HP. Mechanics must install a new fluid damper to prevent destructive torsional harmonics across the forged crankshaft.
Cast from upgraded high nickel ASTM A48 Class 35 iron, the block features reinforced main bearing bulkheads. Our VEGE engine core incorporates forged steel connecting rods, nodular iron crankshaft journals, and stellite exhaust valves. Starter draw demands 190A at 12V. Dry weight registers 655 lbs, oil pan holds 8.0 quarts, with block dimensions measuring 31in length, 28in width, 29in height.
Key Features of VEGE DCU8
Commercial transport fleets buy VEGE DCU8 commercial long block repower engines for demanding highway towing duty. The indirect injection diesel platform provides proven simplicity and mechanical durability under heavy loads.
- Bore diameter ground to 4.057in maximizes cylinder pressure containment under high turbo boost.
- Crankshaft stroke calibrated to 3.820in generates massive low-RPM pulling force for cargo hauling.
- Reinforced center main bearing webs eliminate stress fracture formation around outer bolt holes.
- Precombustion chambers pressed to precise deck height maximize diesel fuel atomization.
- Hydraulic roller lifters reduce friction losses across the heavy valvetrain assembly.
- The DCU8 commercial core accepts standard rear-wheel drive commercial transmission adapters.
- Tri-metal copper-lead bearings withstand extreme combustion pressure spikes under boost.
- High flow water pump passages optimize cylinder head cooling around exhaust valve seats.
Dynamometer Test Bench Metrics
Every DCU8 long block engine completes comprehensive live dynamometer testing before crate loading. The diagnostic run confirms 215 BHP and 440 ft-lbs torque output at 2400 RPM continuous load. Gallery oil pressure holds 58 PSI at 198°F sump oil temperature. Exhaust gas probes record 1190°F EGT before the turbine entry. Cylinder compression registers 385 PSI per cylinder. Crankshaft runout remains under 0.0003in TIR.
Field Service Boundaries Protocol
Mechanical injection pump throttle lever requires 7 lbs return spring pull force. Do not install this heavy turbo diesel into light passenger car chassis or high-speed marine recreational hulls.
- Drain break-in diesel oil and swap heavy duty oil filter after 50 operating hours.
- Check hydraulic roller lifters to confirm zero lash clearance on fixed rocker pedestals.
- Retorque cylinder head torque-to-yield bolts in sequence finishing at 110 ft-lbs.
Factory Freight Logistics Guarantee
Covered under our commercial VEGE assembly standard 3-Year 100,000-mile warranty, this engine ships secured in custom steel-banded crates. The crate contains the assembled long block, wet sump pan, front cover, valve covers, oil pickup tube, and official dyno quality certificate.
VEGE DCU8 Remanufactured Long Block Crate Engine Specs
| Brand | VEGE Engines |
| Engine Model | DCU8 |
| Part Type | Crate Engines |
| Product Line | VEGE Long Block Crate Engines |
| Engine Type | VRE-DCU8 |
| UPC | 653517082436 |
| Actual Engine Displacement | 6.5L/395 |
| Assembled | Yes |
| Intake Manifold Included | No |
| Cylinder Heads Included | Yes |
| Carburetor Included | No |
| Throttle Body Included | No |
| Distributor Included | No |
| Oil Pan Included | No |
| Valve Covers Included | No |
| Timing Cover Included | Yes |
| Water Pump Included | No |
| Harmonic Balancer Included | Yes |
| Flexplate Included | No |
| Flywheel Included | No |
| Air Cleaner Included | No |
| Spark Plugs Included | No |
| Spark Plug Wires Included | No |
| Computer Included | No |
| Wiring Harness Included | No |
| Supercharger Included | No |













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