Model AM 480 Twin Disc® Pump Drives AM 480 Pump Drive MAXIMUM input power 700 kw (939 HP) FOR Ratio 1.00:1 @ 1800 rpm Quality is Standard: • Cast iron housing • case hardened and ground spur gears • Ball bearings • Case hardened shafts • Viton seals on input shaft • Output rotation opposite the direction of input rotation • Gear ratios identical on all outputs • odular design m AM 480 Technical Data Ratio :1 0.72 0.87 1.00 1.15 MAXimum input torque MAX. Output torque Per pump pad MAXimum input Speed MAXimum Output Speed N-m (lbf-ft) N-m (lbf-ft) RPM RPM 1700 1800 1800 2000 2361 2069 1800 1739 4400 4000 3800 3490 (3245) (2950) (2803) (2574) 1600 1750 1900 2000 (1180) (1291) (1401) (1475) OIL QUANTITY L (gal) 7.3 7.0 6.9 6.7 (1.93) (1.85) (1.82) (1.77) See reverse for selection procedures. 100 (3.94) 900 (35.43) 400 (15.74) 108 (4.25) AM 480 Dimensions Basic Pump Drive Weight: 350 kg (772 lb) With SAE 1 Housing: 395 kg (871 lb) 900 (35.43) Input Options SAE 1 Housing 65 mm cylindrical keyed shaft Splined shaft 80 (3.15) Dipstick 437 (17.20) Four additional pump pads available on input side of drive. Oil fill 96 (3.78) 437 (17.20) Maximum torque and maximum speed may be limited by clutch option. Specifications subject to change without prior notice in the interest of continual product improvement. Contact your local Twin Disc representative for engineering specifications. Oil Drain 156 (6.14)

Pump Drive Selection Procedure 1. Identify the number and type of hydraulic pumps to be applied. 2. Check the maximum torque absorbed by the pump or pumps on each output of the pump drive. 3. Check the maximum power/torque entering the pump drive from the prime mover. 4. ompare the size of the hydraulic pumps to the selected pump drive installation dimensions to C determine if the proper clearance exists to mount the pumps on the pump drive. 5. Select the desired input configuration: B – Basic mount, either with drive plate or rubber block drive BD – Engine mounted clutch input BDS – Independently...