VEGE Remanufactured DFWV 3.0L 181ci Heavy Duty Long Block Engine

Description

Oil pump hex driveshaft twist and valvetrain rocker arm fulcrum galling terminate when workshops deploy the VEGE Remanufactured DFWV 3.0L Long Block Engine. Supplying 155HP from a 181ci 6-Cylinder commercial long block repower setup, this unit powers commercial transit equipment. Mechanics must verify intermediate oil pump driveshaft engagement depth inside the distributorless synchronizer gear before closing valve covers.

Dense ASTM A48 Class 35 gray iron forms the deep-skirt crankcase, resisting severe thermal shock during daily commercial service. The VEGE engine core utilizes induction-hardened nodular iron camshaft lobes paired with stellite valve faces. Cranking starter draw pulls 12V 160A. Dry unrigged mass measures 365 lbs within a 24in length, 23in width, 25in height mounting stance holding 4.5 quarts oil.

Key Features of VEGE DFWV

Logistics operators buy VEGE DFWV commercial long block engines to resolve persistent valvetrain failure across municipal transit fleets. Clean-room machine shops execute verified industrial engine rebuild tolerances on every production assembly.

• Nodular cast iron crankshaft features micro-polished journal surfaces with 0.0003in TIR runout tolerance.
• Hardened steel intermediate oil pump driveshafts eliminate shaft shearing under high cold-oil viscous drag.
• Centrifugally cast iron cylinder walls receive fine diamond plateau honing for long ring life.
• CNC milled deck surfaces ensure 0.0002in flatness to stop high-pressure cylinder head fire-ring blowby.
• High-volume internal oil pump maintains 50 PSI line pressure across demanding fleet highway duty.
• DFWV commercial core casting incorporates heavy main web bulkheads to resist thermal fatigue.
• Tri-metal copper-lead bearings establish 0.0014in running clearance to protect crank journals from wear.

Bench Dynamometer Load Calibration Data

Test cell dynamometers certify 155 continuous BHP paired with 185 ft-lbs torque output at 4800 RPM continuous test load. Fluid sensors record 50 PSI galley oil pressure at 190°F oil sump temperature, while exhaust gas temp settles at 1210°F under maximum pull. Cylinder pressure gauges verify 180 PSI compression across every cylinder within a 3% tolerance. Crankshaft runout registers 0.0003in TIR on the DFWV long block engine.

Vehicle Setup Guidance Maintenance Rules

Throttle spool return resistance measures 4 lbs force on the linkage bracket assembly. This powertrain is NOT manufactured for marine salt-water inboard applications or light front-wheel-drive passenger car conversions. Plant technicians must execute these scheduled service steps without exception.

• Drain break-in engine oil reservoir and replace oil filter at 500 miles or 30 hours.
• Set hydraulic lifter preload depth between 0.030in and 0.040in before sealing valve covers.
• Check exhaust manifold stud nuts for proper clamping tension after the initial run cycle.

Warranty Statement Shipping Crate Contents

All rebuilding procedures meet strict VEGE assembly standard metrics covered by a 3-Year 100,000-mile warranty. The banded transport pallet holds the assembled long block, steel oil pan, aluminum timing cover, composite valve covers, oil pickup screen, and verified dyno run card.