Lafayette 3606 Engine BFNDZ00 - Caterpillar

Transmission Features and Identification
Illustration 2 g03177691
CX48-P2300 Transmission
(H) 1049 mm (41.3 inch)
(J) 1128 mm (44.4 inch)
(K) 1833.5 mm (72.2 inch)
(L) 1893 mm (74.5 inch)
Table 1
CX48-P2300 Petroleum Transmission
Weight of Transmission 1601 kg (3530 lb)
Weight of Coupling for the Engine and Transmission 156 kg (343 lb)
Overall Height (H) 1049 mm (41.3 inch)
Overall Width (J) 1128 mm (44.4 inch)
Length of Drive Train (K) 1833.5 mm (72.2 inch)
Overall Length (L) 1893 mm (74.5 inch)
Illustration 3 g03179241
(18) Test port (Clutch 3 pressure)
(19) Test port (Clutch 4 pressure)
(20) Test port (Clutch 1 pressure)
(21) Test port (Clutch 6 pressure)
(22) Test port (Clutch 5 pressure)
(23) Test port (Clutch 2 pressure)
Illustration 4 g03177697
Right side view
(24) Lifting eye ( 25.4 mm (1 inch) diameter)
(25) Breather cap and oil filler
(26) Test port (lubrication pressure tap)
(27) Transmission controls oil outlet (to the torque converter)
(28) Transmission oil inlet (from the cooler)
(29) Transmission oil filter
(30) Test port (filter inlet and SOS sample port)
(31) Transmission oil filter
(32) Test port (filter inlet and SOS sample port)
(33) Transmission supply pressure / PTO lubrication port ( 1 mm (0.04 inch) orifice required)
(34) PTO mount (SAE J704, CW rotation, eight bolt mount, speed ratio 1.09:1)
(35) Test port (lockup clutch pressure)
(36) 2 customer mounting/lift holes, 3/4-10-2B Thread, 44 mm (1.73 inch) deep
(37) Transmission lockup clutch solenoid
(38) Torque converter outlet oil temperature sensor
(39) Torque converter outlet (to cooler)
(40) Converter inlet pressure relief valve
(41) Appropriate location for the transmission oil heater (2 1/2 -12 STOR plug)
(42) Kidney loop connector (1 5/16 -12 STOR) drain plug
(43) PTO mount (SAE "C" J744, CW rotation, 2 & 4 bolt mounts, speed ratio 1.216:1)
(44) Customer mounting holes, 3/4-10-2B (thread engagement equal to 2x bolt diameter required)
(45) Torque converter housing
(46) Torque converter inlet (from controls)
(47) Transmission oil temperature sensor (transmission sump temperature)
(48) Oil level sight gauge for the transmission
(49) Transmission filter drain, 3/4-16-2B
(50) Transmission control box
(51) Transmission supply pressure (broadcast on J1939) (analog signal also available through customer connector)
(52) Rear transmission mounts (five 3/4 - 10 inch tapped holes per side)
Illustration 5 g03177699
Left side view
(24) Lifting eye ( 25.4 mm (1 inch) diameter)
(53) Access cover for assembly (torque converter output speed sensor)
(54) Transmission output speed sensor (provided for customer use)
(55) Output flange
(56) Diagnostic connector
(57) Remote mount ECM connector (40 pin receptacle)
(58) Customer connector (70 pin receptacle)
(59) ECM (electronic control module)
(60) Access cover for suction screen
(61) Customer mounting holes, 3/4-10-2B (thread engagement equal to 2x bolt diameter required)
(62) Torque converter output speed sensor
(63) Ecology drain (1 5/16-12 STOR) drain plug
(64) Kidney loop connector (1 5/16-12 STOR) drain plug
Illustration 6 g03177701
Transmission planetary and torque converter 346-7685 Oil Filter Gp and 346-7687 Oil Filter Gp
(30) Test port (filter inlet and SOS sample port)
(32) Test port (filter inlet and SOS sample port)
(65) 1 5/16-12-2B thread (filtered oil)
(66) Filter base
(67) Filter housing
(68) 3/4-16-2B thread (drain) Note: Caterpillar transmissions are manufactured, assembled, and tested using hydraulic diagnostic couplers. These