LEVER 9W2548 - Caterpillar

Illustration 3 g03018436
(36) Torque converter housing
(38) Torque converter outlet relief valve
(39) Lockup clutch solenoid valve
(41) Torque converter inlet relief valve
(42) Lockup clutch solenoid
(43) Torque converter section of the gear pump Transmission Features and Identification
Illustration 4 g03096439
Table 1
TH48-E80 Petroleum Transmission
Approximate Transmission Weight 2027 kg (4469 lb)
Coupling Assembly Weight 186 kg (410 lb)
Overall Height (A) 1177.0 mm (46.34 inch)
Overall Width (B) 859.9 mm (33.85 inch)
Overall Length (C) 1984.4 mm (78.13 inch)
Length of Drive Train (D) 1959.4 mm (77.14 inch)
Illustration 5 g03019891
right side view
(39) Transmission lift holes 3/4"-10-2B 1.75" deep
(40) Test port (lockup clutch pressure)
(44) Transmission oil inlet (from the cooler)
(45) Test port (planetary lubrication pressure)
(46) Transmission oil outlet (to the cooler)
(47) Pressure control valve
(48) Control inspection cover
(49) Test port (transmission supply pressure)
(50) Test port (SOS Sample)
(51) Torque converter output speed sensor access cover
(52) Test port (torque converter inlet pressure)
(53) Test port (torque converter outlet pressure)
(54) Test port (planetary lubrication)
(55) Torque converter control group
(56) Inspection cover for the suction screen (transmission and torque converter pump)
(57) Kidney loop connection port, one of four (1 1/4 inch NPT) pipe drain plugs
(58) PTO mount (SAE J704 8 bolt mount, CW rotation, speed ratio 1.22:1)
(59) Pump outlet to the transmission filter
(60) Pump outlet to the converter cooler
(61) Transmission housing
(62) Gear selector spool position indicator connection
(63) Test port (clutch 5 pressure)
(64) Test port (not used)
(65) Test port (clutch 6 pressure)
(66) Test port (clutch 3 pressure)
(67) Test port (not used)
(68) Test port (clutch 1 pressure)
(69) Test port (clutch 2 pressure)
(70) Test port (plug for the pilot pressure of the transmission hydraulic control)
(71) Test port (clutch 4 pressure)
Illustration 6 g03019893
left side view
(35) Torque converter oil temperature sensor (torque converter outlet)
(36) Torque converter housing
(39) Transmission lift holes 3/4"-10-2B 1.75" deep
(73) Remote mount ECM connector (24 pin receptacle)
(74) Torque converter inlet supply port
(75) Breather cap and oil fill location
(76) Hex plug ( 25.4 mm (1.0 inch)) (mechanical access to the transmission clutch controls)
(77) Downshift solenoid
(78) Upshift solenoid
(79) Transmission control tower
(80) Transmission output speed sensor
(81) Kidney loop connection port (one of four) (1 1/4 inch NPT)Pipe drain plug
(82) Oil level sight gauge for the transmission
(83) PTO mount (SAE J704 8 bolt mount, CCW rotation, speed ratio 1.09:1)
Illustration 7 g03019896
Right side view
(42) Lifting eye 25.4 mm (1 inch) diameter
(43) Torque converter section of the gear pump
(72) 244-3114 Modulating Valve Gp
(81) Kidney loop connection port (one of four) (1 1/4 inch NPT)Pipe drain plug
(84) Transmission output speed sensor (provided for customer use)
(85) Test port (downshift solenoid pressure)
(86) Test port (upshift solenoid pressure)
(87) Test port (PTO lubrication, transmission supply pressure)
(88) Transmission oil inlet (from the oil filter)
(89) Torque converter output speed sensor
(90) PTO mount (SAE J704 8 bolt mount, CCW rotation, speed ratio 1.09:1)
(91) SAE "O" engine to transmission mounting
(92) Transmission oil temperature sensor (transmission sump temperature)
(93) Transmission charge section of the gear pump
(94) Pipe drain plug (1 1/4 inch)
(95) Rear transmission mounts (five 3/4 inch - 10 tapped holes per side)
(96) Appropriate location for the transmission oil heater (2 1/2 inch NPT plug)
Illustration 8 g03019899
Transmission planetary and torque converter