MWO-9-2320-273-20-1
TRUCK TRACTOR, LIGHT EQUIPMENT TRANSPORTER
MODIFICATION WORK ORDER
SEPTEMBER 1989
MWO-9-2320-273-20-1 - Page 2 of 28
MWO 9-2320-273-20-1
1. PURPOSE. This modification consists of procedures to add a new air tank to the compressed air
system.
2. PRIORITY. This modification is classified NORMAL.
a. Equipment in use (including equipment in supply or maintenance activity below depot level and
equipment in administrative storage). Equipment in use will be modified as soon as practicable but no
later than the scheduled completion date. Equipment not modified after expiration of Department of the
Army Modification Work Order (DAMWO) scheduled completion date will be reported as NOT
MISSION CAPABLE in accordance with applicable Army Regulations and will not be operated until the
modification is applied.
b. Equipment in wholesale depot supply or maintenance activities. All DAMWO’S which have been
incorporated into Depot Maintenance Work Requirement (DMWR), will be accomplished on serviceable
materiel prior to issue and/or subsequent to scheduled completion date. Operational Project Stock stored
at the Depots will be modified concurrently with Depot Stock. Issue of unmodfied materiel is prohibited.
The DAMWO will be applied to unserviceable materiel during the scheduled Depot Maintenance.
c. Propositioned stock, to include non-p.repositioned Materiel Configured to Unit Sets (POMCUS)
operational projects will be applied at once.
3. END ITEMS TO BE MODIFIED.
See Table 1.
Table 1. End Items to be Modified
Nomenclature
Truck Tractor, Line Haul, 50,000 GVWR, 6 X 4
Truck Tractor, Med Equip. Transporter (LET), 56,000 GVWR,
6 X 6, W/Winch
TruckTractor, Med Equip. Transporter (MET), 75,000 GVWR,
8 X 6, W/Winch
Truck Chassis, 75,000 GVWR, 8 X 6, for 20-Ton Dump Truck
Truck Chassis, 56,000 GVWR, 6 X 6, for Bituminous Distributor Truck
Truck Chassis, 75,000 GVWR, 8 X 6, for Concrete Mixer Truck
NSN
Model No.
2320-01428-4395
M915
M916
M920
3805-014284389
M917
M918
M919
4. MODULES (COMPONENTS, ASSEMBLIES, SUBASSEMBLIES) TO BE MODIFIED.
The following items, whether installed or in depot stock, shall be modified. See Table 2.
Table 2. Assemblies to be Modified
Nomenclature
Model
Auxiliary Air System
M915
M916, M917, M918, M919
and M920
Part Number & FSCM
12357132 (19207)
12368245 (19207)
2
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