AVSPARE.COM
parts catalog

MUFFLER AS 2W3773 - Caterpillar


2W3773 MUFFLER AS Caterpillar parts 3406E, 3408, 3412, 3412C, 3456, 773E, 775E, 784B, 784C, 785, 785B, 785C, C15, C18, C27, CX35-P800
Rating:
53
Alternative (cross code) number:
CA2W3773
2W-3773
2W3773
Caterpillar 2W3773 MUFFLER AS
Weight: 44 pounds 20 kg.
Information:
BODY DIAMETER/WIDTH  254  mm
BODY LENGTH  844.6  mm
INLET ID  204.19  mm
OUTLET OD  202.92  mm
OVAL HEIGHT  381  mm
OVERALL LENGTH  1136.6  mm
PROTECTIVE SHIELD 
WITH EJECTOR 
WITH MOUNTING BRACKET 
WITH OUTER WRAP 

Buy MUFFLER AS 2W3773 Caterpillar genuine, new aftermarket tractor parts with delivery
GEN SET ENGINE, TRUCK,

Compare Prices: .

As an associate, we earn commssions on qualifying purchases through the links below
$255.20

02 Sep 2025

Amazon.com
CTP 2W3773 Muffler Assembly for Models 773E/775E/784B/785C
CTP For models 773E/775E/784B/785C || Sold in each || Easy in-and-out fit
$262.64

19 May 2025

Amazon.com
CTP 2W3773 Muffler Assembly for Models 773E/775E/784B/785C
CTP For models 773E/775E/784B/785C || Sold in each || Easy in-and-out fit
$258.15

22 Apr 2025

Amazon.com
CTP 2W3773 Muffler Assembly for Models 773E/775E/784B/785C
CTP For models 773E/775E/784B/785C || Sold in each || Easy in-and-out fit
Number on catalog scheme: 1
  For full view, you need register

Compatible equipment models: 2W3773:

GEN SET ENGINE  3408   3412   3412C  
GENERATOR SET  3406E   3412   3412C   3456   C15   C18   C27  
INDUSTRIAL ENGINE  3412   C18  
PETROLEUM ENGINE 
PETROLEUM PACKAGE  CX35-P800  
TRACTOR  784B   784C  
TRUCK  773E   775E   785   785B   785C   Caterpillar

Information:


Illustration 1 g01584474
Typical example
(3) Main bearing journal
(4) Connecting rod bearing journal
Illustration 2 g01585653
View B-B
Table 1
Specification for 224-3250 Crankshaft Gp and 225-6052 Crankshaft Gp
Item Qty Part Specification Description
Refer to Specifications, "Connecting Rod and Main Bearing Journals" for more information about the crankshaft journals.
For the correct procedure of measuring for a bent crankshaft, refer to the Guideline for Reusable Parts and Salvage Operations, SEBF8054, "Procedure to Measure and Straighten Bent Crankshafts".
1 2 253-1752 Thrust Plate Install the thrust plates (1) on the center main bearing journal of the crankshaft only.
Thickness is 5.74 0.04 mm (0.226 0.002 inch).
2 1 223-9135 Crankshaft Gear The crankshaft gear must be installed on the crankshaft with the timing mark "V" on the outside of the crankshaft gear.
A 1 4N-0684 Dowel Maximum protrusion of the dowel from the face of the crankshaft is 8.4 mm (0.33 inch).
C End play with new thrust plates is 0.10 to 0.60 mm (0.004 to 0.024 inch).
Maximum end play with used thrust plates is 0.89 mm (0.035 inch).
D 1 7S-5005 Dowel Protrusion of the dowel from the surface of the crankshaft is 4.1 0.5 mm (0.16 0.02 inch).

Cat SIS web machinery list:

Caterpillar parts catalog
C15 I6 Generator Set T3300001-UP
3408B Generator Set 78Z01144-04866
3412 Generator Set 81Z05000-14500
3412C Generator Set 81Z14501-UP
3412C Industrial Engine 38S16484-UP
3412 Generator Set 4BZ00001-UP
3408C Generator Set 78Z04867-UP
3406E Generator Set 8AZ00001-UP
3412C Generator Set BAX00001-UP
3412C Generator Set 9EP00001-UP
3412E Generator Set BCW00001-UP
3456 Generator Set CAH00001-UP
3456 Generator Set CBX00001-UP
3456 Generator Set CCB00001-UP
3412C Generator Set PTL00001-UP
3412C Generator Set LRY00001-UP
C18 Industrial Engine WJH00001-UP
3456 Generator Set C1G00001-UP
3456 Generator Set C3G00001-UP
3456 Generator Set C4G00001-UP
C18 Generator Set STD00001-UP
C18 Generator Set STM00001-UP
3412C Generator Set TGC00001-UP
3412C Generator Set RTY00001-UP
C15 Standby Generator Set (60Hz) C5E00001-UP
C15 Generator Set (50Hz) C5L00001-UP
C15 Standby Generator Set C5H00001-UP
C18 Generator Set C6C00001-UP
C27 Generator Set DWB00001-UP POWERED BY C27 Engine
C18 Generator Set DKE00001-UP
C18 Petroleum Engine WJW00001-UP
C18 Generator Set CYL00001-UP
C15 Generator Set CYY00001-UP
C15 Generator Set STG00001-UP
C18 Generator Set M1Z00001-UP
C18 Generator Set N1D00001-UP
C18 Generator Set N1C00001-UP
CX35-P800-C18I Petroleum Power Train Package PCZ00001-UP
C18 Generator Set AR300001-UP
773E Off-Highway Truck PRB00001-UP (MACHINE) POWERED BY 3412E Engine
773E Off-Highway Truck DJS00001-UP (MACHINE) POWERED BY 3412E Engine
C18 Generator Set T3400001-UP
784B Tractor 5RK00001-UP (MACHINE) POWERED BY 3512 Engine
785B Off-Highway Truck 6HK00001-UP (MACHINE) POWERED BY 3512 Engine
3412C Industrial Engine 38S16484-UP
785C Off-HighwayTruck 1HW00001-UP (MACHINE) POWERED BY 3512B Engine
785C HAA Off-Highway Truck 5AZ00001-UP (MACHINE) POWERED BY 3516B Engine
784C Tractor 2PZ00001-UP (MACHINE) POWERED BY 3512 Engine
785C Off-Highway Truck APX00001-UP (MACHINE) POWERED BY 3512B Engine
773E Off-Highway Truck BDA00001-UP (MACHINE) POWERED BY 3412E Engine
775E Off-Highway Truck BEC00001-UP (MACHINE) POWERED BY 3412E Engine
773E Off-Highway Truck ASK00001-UP (MACHINE)
773E Off-Highway Truck KEG00001-UP (MACHINE) POWERED BY 3412E Engine


Parts muffler Caterpillar catalog:

8N4975 MUFFLER AS
3306, 3306B, 3406, 3406B, 3406C, 3408, 769D, 771D, C27, C32, TH48-E70
1W2491 MUFFLER AS-EJECTOR
3406C, 3408, 3408C, 3408E, 3412, 3412C, 3456, 621B, 627F
8S6559 MUFFLER AS
3306B, 3406B, 3406C, 657, C15, C18, CX31-C15I, CX35-P800, TH35-C15I
1122986 MUFFLER AS
3412, 3412C, 3412E
3767837 MUFFLER
CX31-C15I, CX35-P800
2W6737 MUFFLER AS
784B, 784C, 785, 785B, 785C
1597441 MUFFLER AS
773D, 773E, 775D, 775E
1582318 MUFFLER AS
785C, 785D, 797, 797B
Back to top
The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
AVSpare.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only. Cat® and Caterpillar® are registered trademarks of Caterpillar, Inc.