Unless otherwise specified, overhead valve, water cooled, gasoline or diesel type. If a diesel engine is specified, it is to be equipped with engine shutdown protection. ELECTRICAL SYSTEM - Batteries: Shall be the highest capacity battery compatible with the vehicle being furnished. BCI battery No. 8D, 24, 27, or 74, preferred. Negative ground in accordance with SAE Standard J538. Equipped with at least: • Directional Signals with self-canceling switch. • Exposed wiring run through loom or vinyl taped in accordance with best commercial practice. • Gauges for oil pressure, engine temperature, battery charging system and fuel gauge. • Trucks equipped with Allison automatic transmission shall have transmission temperature gauge...