ENGINE MAINTENANCE - Engine Specifications 2 Engine Specifications Engine specifications including horsepower, firing order, displacement, weight, and other engine characteristics. PACCAR MX-13 Engine Specifications 1 Use of poor quality fuel may require more frequent fuel filter element service. 2 Follow the manufacturers' recommended maintenance procedures for the starter, alternator, batteries, electrical components, exhaust brake, charge-air cooler, radiator, air compressor, air cleaner, refrigerant compressor, and fan clutch.
Y53-1181-1K1 (08/2018) 37 Component 2 Maintenance Task Recommended Preventative Maintenance Interval A B C D E F G H J Fuel System Fuel Filter on page 59 - Replace 1 • Mounting Bolts Engine Mounting Bolts on page 77 • Valves See Engine Valves on page 78 for recommended maintenance intervals. Horsepower See EPA Label on top of the valve cover or on the mixer manifold. Firing Order 1, 5, 3, 6, 2, 4 Crankshaft Rotation (viewed from front of engine) Clockwise