TM 5-5420-202-20-1
Transmission Characteristics
Detroit Allison Diesel
Manufacturer
CD-850-6A
Model
Cross-drive with hydraulic torque converter
Type
3-point (attached to engine and two transmission
Suspension
mounts)
Oil pumps:
Two
Number
20 gal (approx.)
Oil capacity
25 gal (approx.)
Oil capacity, including coolers
air-maze, double, sock- type
Oil filter
Fuel System Characteristics
Fuel tanks:
385 gallons
Capacity (total)
189 gallons
Left tank
196 gallons
Right tank
Welded aluminum
Construction
Intertank isolation valve:
3-inch butterfly
Type
50 gpm
Rated flow
4.5 psi
Operated pressure
Fuel return selector valve:
Ball rotor
Type
3.7 gpm
Rated flow
30 psi
Operated pressure
Fuel tank electrical fuel pumps:
Impeller (indirect drive, dry motor, hermetric-
Type
ally sealed, magnetic coupling)
220 gph at 5 psi
Rated capacity
Check valve:
Double swing-check
Type
50 psi
Operating pressure
0.2 psi max
Opening pressure
40 micron
Primary fuel filter (disposable element)
Fuel/water separator fuel filter
5 micron
(disposable inner element)
Water separator filter (disposable
5 micron
inner element)
10 micron
Water separator filter (disposable
outer element)
10 micron
Manifold heater fuel filter
10 micron
Purge line fuel filter
Fuel shutoff
Manifold heater solenoid valves
Gap 0,094 to 0.114 in.
Manifold heater spark plug
3 1-7
