5-101.bk Page 3 Friday, March 17, 2006 11:05 AM Engine Features (Cont.) Page 2-3 200 SPECIFICATIONS Component Description Connecting rods Forged steel, I-beam with tapered pin end, 35-degree cap angle, 10.4 inches (26.42 cm) center-to-center length Crankshaft Drop-forged, medium carbon steel, elotherm hardened journals and fillets, eight integral counterweights, 3.25 inch (8.26 cm) piston journal diameter, 4.5 inch (11.43 cm) main journal diameter Bearings — Main Steel-backed, lead-tin overlay — Rod Steel-backed, lead-tin overlay deltawall Vibration damper Viscous fluid filled Camshaft Carbon steel, carburized journals and lobes, gear driven Valves — Inlet 30-degree face angle (before November 1996), 20-degree face angle (November 1996 and later), poppet with positive rotator, two per cylinder — Exhaust 30-degree face angle, poppet with positive rotator, two per cylinder Valve lifters Mushroom type, durafaced (tungsten carbide) Oil filters Spin-on, disposable (two); Centri-Max® centrifugal filter (one) Oil pan (isolating) — 240GB5240M Used as either front or rear sump by reversing pan.
— 240GC5240M2 Same as 240GB5240M except for the addition of three bosses located in the front of oil pan, one each for oil temperature sensor, turbocharger unloader and tandem air compressor — 240GB5240M3 Same as 240GB5240M2 except it is for a rear sump — 240GB5420M4 Used as either front or rear sump, includes five bosses to accept all variations Air compressor Flange mounted, gear driven, engine oil lubricated, water cooled (integral to engine coolant system) (Bendix or Holset) Turbocharger Exhaust gas driven, radial flow, engine oil lubricated (Schwitzer or Garrett) Lubrication system Full pressure, wet sump, 33.5 quart (32 L) capacity, 25,000 mile (40,225 km) highway/300 hour stop-and-go change interval, MACK approved EO-L oil.
Valve seat inserts Pressed-in cylinder heads (30° inlet seat before November 1996, 20° inlet seat after November 1996, 30° exhaust seat) Manifolds — Air inlet Two-piece, six-port — Exhaust Three-piece, six-port — Coolant Two-piece, four-port Injection pump Robert Bosch, P7100 fixed timing, Bosch LDA. V-MAC engines use P8500, multiple plunger, flange mounted, gear driven, with variable timing by Econovance Injection nozzles Refer to Tune-Up Specifications manual. Fuel filters Spin-on, disposable Water pump Centrifugal-rotor, belt driven Coolant conditioner Spin-on, disposable Thermostat 180°F (82°C), with rubber seated flange seal and caged check ball