TM 55-4920-328-13 Table 1-3.  Leading Particulars of Test Trailer Assembly - Continued Figure and Index No. Electric Start System (Cont) Constant Current Charge Rate Starting (l_g) 7 to 17 amperes Finishing (I_f) 3 to 12 amperes Trickle 175 to 350 ma Constant Potential Rate Voltage (E_c) 28.5v dc Charger Capability 35 amperes Float Charge Voltages 0°F 28.5 1.0v dc 75°F 27.4 1.2v dc 100°F 27.0 1.0v dc Electrolyte Level Fully Charged 3/16 1/16 in. (2 to 24 hr after charging) During Last 20 min 5/8 1/8 in. of Charge On Float or Trickle, 3/8 1/8 in. (Charge Condition) 208v ac, 60 Hz, Trickle Charger Single-phase Figure 1-8 Hydraulic Start System Length (Base) 44 in. Width (Base) 30 in. Height (Tank) 41 in. Pump Type variable piston, servo controlled Hydraulic Fluid Tank Capacity Hydraulic Fluid MIL-H-83282A Air Cleaner oil bath Pressure Gage Range 0 to 10,000 psig Return Pressure Gage Range 0 to 1,000 psig Gasoline Engine Type 4-cylinder, air-cooled Fuel Required 80 octane (min) Fuel Tank Capacity Oil Required Above +40°F SAE 30 +15° to  +40° F SAE 20-20W 0°F to +15°F SAE 10W Below 0° F SAE 5W-20W Crankcase Capacity 7 qt (including filter) Battery 12-volt, lead-acid Spark Plug Gap 0.030 in. Valve Tappet Clearance Intake 0.008 in Exhaust 0.014 in. Horsepower Rating 65.9 at 3,000 rpm Change 2      1-73