TM 5-2420-230-24-2
B3.9 and B5.9 Series Engines
Specifications
Section E - Engine Identification
Page E-23
A/C Model SS191 Specifications
Compressor Swept Volume at 1250 rpm .............................................................................. 4.0 L/sec [8.5 SCFM]
Piston Displacement
............................................................................................................ 191 cc [11.65 C.I.D.]
Bore ............................................................................................................................................. 80 mm [3.15 in]
Stroke ....................................................................................................................................... 38.1 mm [1.50 in]
Speed .................................................................................................................................... 1.135 x Engine rpm
Cooling ......................................................................................................................................... Engine Coolant
Lubrication ......................................................................................................................... Engine Lubricating Oil
Plumbing Line Sizes:
Coolant Inlet and Outlet (pipe fitting) ................................................................................ 1/2-in NPTF [0.50 in]
Air Inlet (inside diameter) ............................................................................................... 19-mm [0.75-in] Nipple
Air Outlet (minimum inside diameter) .............................................................................. 1/2-in NPTF [0.50 in]
Height, Overall (approximate) ...................................................................................................... 289 mm [11.4 in]
Width, Overall (approximate) ........................................................................................................ 125 mm [4.9 in]
Length, Overall (approximate) ..................................................................................................... 186 mm [7.32 in]
Weight (approximate) ...................................................................................................................... 13.6 kg [30 lb]
Electrical System
Electrical System Data (automotive)
B3.9
B5.9
Minimum Recommended Battery Capacity
@ -18C [0F]
With Light Accessories*
12-VDC Starter
625CCA
800CCA
24-VDC Starter
400CCA
400CCA
With Heavy Accessories**
12-VDC Starter
800CCA
950CCA
24-VDC Starter
400CCA
475CCA
Maximum Allowable Resistance of Starting
Circuit
With 12-VDC Starter - Ohms
0.0012
0.0012
With 24-VDC Starter - Ohms
0.0020
0.0020
*Typical light accessories include alternator, small steering pump, and disengaged clutch.
**Typical heavy accessories include hydraulic pump and torque converter.
L-575
