ENGINE SPECIFICATIONS, CLEARANCES, SHIPPING CONTAINER

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TM-9-2815-220-24 Maintenance Manual for AVDS-1790 2CA 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines

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ENGINE, Configuration (Continued)

TM 9-2815-220-24

ENGINE SPECIFICATIONS, CLEARANCES, SHIPPING CONTAINER

THIS WORK PACKAGE COVERS:

Engine configuration, drive ratios and rotation (from front), settings; clearances, and

shipping/storage container

ENGINE

Make ............................................................................................... General Dynamics Land Systems

Type ...............................................................................................................Diesel, air-cooled, V-12

Models .......................................................................................... AVDS-1790-2CA, 2DA, and 2DR

Configuration

Camshafts:

Number ......................................................................................................................................... 2

Rotation (viewed from front) .............................................................................. counterclockwise

Cooling:

Type ........................................................................................ air cooled (two engine-driven fans)

Air Flow .................................................................................................... 20,000 cfm at 2400 rpm

Crankshaft rotation (viewed from front) ............................................................................. clockwise

Cylinders:

Number ....................................................................................................................................... 12

Arrangement ................................................................................................... 90-degree upright V

Numbering (from front):

Left side .................................................................................................1L, 2L, 3L, 4L, 5L, 6L

Right side ............................................................................................. 1R, 2R, 3R, 4R, 5R, 6R

Firing order ....................................................1R, 2L, 5R, 4L, 3R, 1L, 6R, 5L, 2R, 3L, 4R, 6L

Bore ........................................................................................................................... 5.750 inch

Dimensions, including shroud:

Length (to transmission adapter):

Models AVDS-1790-2CA and -2DA........................................................................ 68.59 inch

Model AVDS-1790-2DR .......................................................................................... 72.50 inch

Width (overall, shrouds installed):

Models AVDS-1790-2CA and -2DA........................................................................ 88.74 inch

Model AVDS-1790-2DR .......................................................................................... 70.25 inch

Height:

Model AVDS-1790-2CA and -2DA ......................................................................... 47.19 inch

Model AVDS-1790-2DR .......................................................................................... 45.30 inch

Displacement .............................................................................................................. 1790 cubic inch

Drive (from crankshaft) ............................................................................................................. Direct

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