TM 5-2420-230-24-2
General Engine Specifications
Section E - Engine and Component Identification
Page E-8
B Series
Electrical System
Minimum Recommended Battery Capacity
Light accessories including alternator, power steering pump, and disengaged clutch
12 Volt System
4 cylinder engine ..................................................................................................................... 625 CCA
6 cylinder engine ..................................................................................................................... 800 CCA
24 Volt System*
4 cylinder engine ..................................................................................................................... 400 CCA
6 cylinder engine ..................................................................................................................... 400 CCA
Heavy accessories including hydraulic pump and torque converter
12 Volt System
4 cylinder engine ..................................................................................................................... 800 CCA
6 cylinder engine ..................................................................................................................... 950 CCA
24 Volt System*
4 cylinder engine ..................................................................................................................... 400 CCA
6 cylinder engine ..................................................................................................................... 475 CCA
* Per battery (two 12 volt batteries in series) CCA Ratings are based on -18C [0F].
Batteries (Specific Gravity)
Specific Gravity
at 27C [80F]
State of Charge
1.260 - 1.280
100%
1.230 - 1.250
75%
1.200 - 1.220
50%
1.170 - 1.190
25%
1.110 - 1.130
Discharged
L-87