D379, D398, D399 INDUSTRIAL & MARINE ENGINES Caterpillar

5L7449 Sending Unit; Use with 5L7454 and 5L7451 Gauges.

Rating ... 12V and 24V

Pressure range ... 0 to 300 psi(0 to 2050 kPa)

Resistance at:

0 psi (0 kPa) ... 0 to 1 Ohms

60 psi (415 kPa) ... 4.5 to 6.5 Ohms

300 psi (2050 kPa) ... 28 to 31 Ohms

5L7450 Sending Unit; Use with 5L7455 and 5L7456 Gauges.

Rating ... 24V

Pressure range ... 0 to 80 psi(0 to 550 kPa)

Resistance at:

0 psi (0 kPa) ... 0 Ohms

80 psi (550 kPa) ... 30 Ohms