TM 10-3930-659-10 1-10.  EQUIPMENT DATA (Con’t). Table 1-1.  General Characteristics and Specifications (Con’t). Engine Specifications (Con’t): Rated Horsepower................................................................................................... 115 @ 2200 rpm Fuel Types....................................................................................No.  1 or No.  2 Grade Diesel Fuel Transmission Specifications: Type..................................................................................................................  ZF of North America, Countershaft, Power Shift Forward Speeds ..........................................................................................................................Four Reverse Speeds........................................................................................................................Three Torque Converter Type ..........................................................................  Single Phase, Single Stage System Pressure @ 150° ±^10° and 1500 rpm  .................................................................. 213-242 psi (1468-1669 kPa) Drive Axle and Differentials Specifications: Type................................................................................................... John Deere, Inboard Planetary Axle with Standard Spiral Bevel Gear Differential Differential Gear Reduction Ratio........................................................................................... 4.333:1 Inboard Planetary Drive Reduction Ratio ............................................................................... 4.800:1 Overall Axle Reduction Ratio................................................................................................ 20.798:1 Service Brake Specifications: Type.......................................................................................................... Power Actuated, Wet Disc Operation...........................................................................................................................Foot Pedal Accumulators: Charging Medium.....................................................................................................Dry Nitrogen Charging Pressure ........................................................................ 475-525 psi (3275-3620 kPa) Parking Brake Specifications: Type..................................................................................................................  ZF of North America, Expanding Shoe Operation.............................................................................................................Manual, Foot Pedal Mounting.......................................................................................................... Front of Transmission Tire Specifications: Size.........................................................................................................................................17.5-25 Type..................................................................................................................................... Tubeless 1-8