Mitsubishi 6G72 3.0L V6 Remanufactured Engine – 6/94-1999 A/RWD

Description

Halt exhaust valve recession and preserve main bearing journal integrity under 188 lb-ft continuous torque during round-the-clock municipal transit and severe winter utility operations via the Mitsubishi 6G72 Montero Remanufactured Engine. Engineered for 6/94 to 1999 AWD and RWD Montero vehicles, this durable SOHC V6 powertrain provides relentless pulling strength across demanding vocational schedules.

Heavy-duty cast iron block casting features thick cylinder wall construction and an Ra 30 micro-inch deck surface finish. A precision-ground forged steel crankshaft spins within line-honed main bearing saddles, driving forged steel I-beam rods and hypereutectic pistons with graphite skirt coatings. The wet-sump oil pan holds 4.8 quarts, while high-velocity oil circuits safeguard overhead valvetrain components across an overall dry engine mass of 420 lbs.

Key Features of Mitsubishi 6G72 Montero

Fleet maintenance directors buy Mitsubishi 6G72 Montero remanufactured engine packages to maximize utility vehicle service longevity across harsh backroad driving routes. Precision balancing of all rotating masses reduces cab vibrations to enhance driver endurance during long work shifts.

• SOHC 24-valve cylinder heads maximize airflow velocity for robust low-end and mid-range pulling torque
• Multi-layer steel cylinder head gaskets maintain combustion seals against continuous thermal cycles
• Plateau diamond honed cylinder bores eliminate ring blow-by and stabilize oil retention
• Precision line-honed main bearing saddles ensure true crankshaft alignment and lower drag
• High-flow internal trochoid oil pump provides 55 PSI cruising lubrication to protected bearings
• Induction-hardened valve seat inserts resist wear under prolonged continuous fleet operation
• Mitsubishi 6G72 Montero long block units pass rigid non-destructive ultrasonic flaw testing

Torque Output Operational Limits

This V6 engine produces 173 horsepower at 5250 RPM alongside 188 lb-ft continuous torque at 4000 RPM using a 9.0:1 compression ratio. Dynamic cylinder cranking compression tests between 165 and 180 PSI across all six cylinders. Normal coolant operating temperatures hold between 185°F and 200°F, backed by 20 PSI hot idle oil pressure and 55 PSI cruising pressure. Radiator thermal rejection capacity measures 3100 BTU per minute under Severe Commercial Fleet duty cycle standards.

Crankshaft Flange Alignment Geometry

The rear crankshaft flange uses a six-bolt flexplate mounting pattern with an engineered 1.259-inch pilot hole dimension. Front crankshaft snout measures 1.181 inches with a precision keyway for timing belt sprocket location. Dial indicators measure crankshaft axial thrust endplay between 0.003 and 0.007 inches across all finished builds.

Break-In Protocol Servicing Rules

Technicians must prime internal engine oil passages with an external pressure tank before turning the ignition key to protect fresh bearing surfaces from dry friction. Conduct a twenty-minute cam run-in procedure at 2000 RPM using high-zinc break-in lubricant. This engine is not engineered for aftermarket turbochargers, nitrous systems, or trailer towing weights exceeding vehicle chassis ratings.

• Inspect fluid reservoirs and accessory belts each shift
• Change motor oil and replace spin-on filter every 4000 miles
• Inspect timing belt drive and tensioner every twelve months

Fleet Guarantee Package Manifest

Protected by our 3-Year 100000-Mile commercial fleet warranty for verified transport operations. The heavy wooden container holds the remanufactured long block engine, high-capacity oil pump, complete engine install gasket kit, spark plug tube seals, and a certified dynamometer qualification inspection report.