Watson & Chalin

AL2200 Rigid Axle – Auxilliary Truck Suspension

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AL2200 Rigid Axle Auxilliary Truck Suspension
Key Part Number Description No. Req OEM Reference Remarks
1 334-1469 Bolt; 1 1/8″-12 x 9 1/4″Lg 2 11225
1 334-1480 Bolt; 1 1/8″-12 x 8 1/2″Lg 4 10036
2 321-229 Bushing; 1 1/8″ID x 3 1/2″OD x 5 1/4″Lg. 2 10050 New Style; ART500B
2
321-346
 Bushing; 1 1/8″ I.D. x 3 5/8″ O.D. x 5 1/4″ Lg 2 10050-0S
3 334-1467 Collar, Alignment 4 10764
5 321-231 Bushing; 1 1/8″ID x 2 3/4″OD x 5″Lg 4 11223
5 321-227 Bushing; 1 1/8″ID x 2 3/8″OD x 5″Lg 4 10051 ARD125 & 244; 1981 & Up
6 334-596 Spacer; 1 1/8″ID x 4″OD x 1/4″Thk 12 11222
6 334-1086 Washer; 1 11/16″ID x 3 1/4″OD x 1/8″Thk 12 10009 Before 1988
7 334-193 Nut, Lock; 1 1/8″-12 6 10023
8 352-9321 Air Spring 2 AS-0036
8 352-9382 Air Spring 2 AS-0061
8 352-9370 Air Spring 2 AS-0057
8 354-8008 Air Spring 2 AS-0019
9 354-6908 Air Spring 1 AS-0035
9 354-6897 Air Spring 1 AS-0058
10 66636 Shock Absorber 2 10148
11 361-240 Kit, U-Bolt; Round Bend, Grade 8 4 5/8″ x 5 1/8″ x 8 1/8″ R
11 361-282 Kit, U-Bolt; Round Bend, Grade 8 4 3/4″ x 5 1/8″ x 8″ R
12 334-1478 Strap; 13 3/4″Lg 2 11342
13 339-262 Kit, Service; Pivot Connection 1 SRK-01 (1) Axle
14 339-263 Kit, Service; Axle Connection 1 SRK-02 (1) Axle
15 338-1965 Arm Assembly; LH 1 13107 2 1/4″ Offset
15 338-1966 Arm Assembly; RH 1 13108 2 1/4″ Offset
15 338-1967 Arm Assembly; LH 1 930005-10, 930005-1 AL2200-SSR
15 338-1968 Arm Assembly; RH 1 930005-20, 930005-2 Al2200-SSR
16 338-1963 Assembly, Side Rail; LH 1 920394-10, 13242
16 338-1964 Assembly, Side Rail; RH 1 920394-20, 13243
17 338-1912 Seat, Axle; LH 1 13246
17 338-1913 Seat, Axle; RH 1 13247
17 338-1971 Seat, Axle; LH 1 11660-10, 11660-1 6 1/2″
17 338-1972 Seat, Axle; RH 1 11660-20, 11660-2 6 1/2″

Pedestal Mount Trailer Single Point Suspension

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Pedestal Mount Trailer Single Point Suspension
Key Part Number Description No. Req OEM Reference Remarks
1 338-422 Bracket, Trunnion Shaft; 2 1/2″ Hgt 2 SP-0012 Standard; All
1 338-497 Bracket, Trunnion Shaft; 4 1/2″ Hgt 2 SP-0011 Optional; All
1 338-421 Bracket, Trunnion Shaft; 6 1/2″ Hgt 2 SP-0010 Optional; All
1 338-425 Bracket, Trunnion Shaft; 8 1/2″ Hgt 2 SP-0009 Optional; All
2 334-382 Shaft; 4″OD x 48″Lg. x 1/2″Thk Wall 1 893-01
2 334-383 Shaft; 4″OD x 48″Lg x 3/4″Thk Wall 1 893-02
3 334-798 Assembly, Bolt; 3/4″-16 x 4″Lg 4 Incl. Bolt & Hdwe.
4 325-137U Bushing, Urethane; 4″ID x 5″OD x 8 3/4″Lg 2 SP-0192 Urethane; Pink
5 338-424 Trunnion, Upper Half 2 SP-0177 Underslung Trunnion Assy.
5 338-1353 Saddle, U-Bolt; Round 2 SP-0003 Overslung
6 338-1350 Seat, Trunnion 2 SP-0001
7 338-1351 Cap, Trunnion 2 SP-0006 Overslung
7 338-420 Plate, U-Bolt Clamp 2 SP-0171 Underslung Trunnion Assy.
8 361-565 Kit, U-Bolt; Round Bend, Grade 8 4 SP-0023K 1 1/8″ x 5 11/16″ x 14″ R
8 361-573 Kit, U-Bolt; Round Bend, Grade 8 4 1 1/8″ x 5 11/16″ x 16 1/2″ R
8 361-496 Kit, U-Bolt; Round Bend, Grade 8 4 1 1/8″ x 5 7/8″ x 15 1/2″ R
8 361-234 Kit, U-Bolt; Round Bend, Grade 8 4 SP-0022 1 1/8″ x 5 11/16″ x 15 1/2″ R
9 338-1348 Cap, Spring End; 2 Main Spring 4 SP-0016 HD/LW; Overslung Ends
9 338-1349 Cap, Spring End; 3 Main Spring 4 SP-0007 3″ Inside Height
9 338-1355 Cap, Spring End; 5″ Round Axles 4 SP-0086 For (2) Main Springs
9 338-1354 Cap, Spring End; 5″ Round Axle 4 SP-0013 For (3) Main Springs
9 338-1117 Cap, End 4 SP-0015 PP Series; Overslung Ends
10 338-1363 Seat; 5″ Round Axle 4 SP-0036 HD/LW Overslung Ends
10
338-1556
 Seat; 5″ Square Axle 4 SP-0048 5″ Square Axles
10 338-1810 Seat; 5″ Round Axles 4 SP-0092 PP Series
10 338-1119 Seat; 5″ Square Axles 4 SP-0014 PP Series
11 338-1818 Pad, Seat Repair; Cast 4 5″ Round Axles
11 338-876 Pad, Seat Repair; Fabricated 4 SP-0082 5″ Round Axles
11 338-1557 Pad, End; Heavy Duty 4 SP-0029 5″ Round Axles
11 338-1118 Plate, Locator 4 SP-0043, SP-0051 PP Series; 44k-50k
11
SP
 Plate, Locator; 1 3/4″ pin 4 SP-0195 PP Series; 60k-70k
12 334-1111 Plate, Spacer; 1 11/16″ x 9 1/2″ X 5/32″Thk 8 SP-0083 (4) 13/16″Dia. Holes
13 325-151U Pad, Urethane; 1″ x 4 3/8″ x 7 5/8″ 4 PP Series
13 325-142U Pad, Urethane; 4 5/8″W x 5 1/4″Lg x 13/16″Thk 4 SP-0193 Urethane; Pink
14 361-240 Kit, U-Bolt; Round Bend, Grade 8 8 SP-0021 5/8″ x 5 1/8″ x 8 1/8″ R
14 361-244 Kit, U-Bolt; Square Bend, Grade 8 8 SP-0052 5/8″ x 5 1/8″ x 9 3/8″ S
14 361-516 Kit, U-Bolt; Round Bend, Grade 8 8 1″ x 5 1/8″ x 12 7/8″
14 361-531 Kit, U-Bolt; Round Bend, Grade 8 8 SP-0094 1 1/8″ x 5 ” x 12″ R
14 361-338 Kit, U-Bolt; Square Bend, Forged Top, Grade 8 8 SP-0026K 1 1/8″ x 5 1/8″ x 13 1/2″ S
15 334-1110 Assembly, Bolt; 3/4″-10 x 2 1/2″Lg 8 Incl. Bolt & Hdwe.
16 334-622 Assembly, Bolt; 5/8″-18 x 2″Lg 16 Incl. Bolt & Hdwe.
17
Find Spring
 Assembly, Spring 2 See Leaf Spring Web Catalog For Details

 

SL-1000/1100-LP/LR/LW/RO/SR/SSR, SL-1800/1800-SR Self Steer Auxiliary Truck Suspension

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SL-1000/1100-LP/LR/LW/RO/SR/SSR, SL-1800/1800-SR Self Steer Auxiliary
Truck Suspension
Key Part Number Description No. Req OEM Reference Remarks
1 334-1469 Bolt; 1 1/8″-12 x 9 1/4″Lg 2 11225 Can Use 334-605 & 334-375
1 334-1480 Bolt; 1 1/8″-12 x 8 1/2″Lg 2 10036 SL1800
2 321-231 Bushing; 1 1/8″ID x 2 3/4″OD x 5″Lg 2 11223 Pivot
2 321-229 Bushing; 1 1/8″ID x 3 1/2″OD x 5 1/4″Lg. 2 10050 New Style; ART500B
2 321-229U Bushing, Urethane 2
2 321-372 Bushing; 1″ID x 2 7/16″OD x 4 1/2″Lg 2 12931 SL1000
2
DIA
 Bushing; 7/8″ID x 2 7/16″OD x 4 1/2″Lg 2 12931-01 Use 321-372 + 334-1645
3 334-1649 Collar, Alignment 4 10005
3 334-1467 Collar, Alignment 4 10764 SL1800
3 334-1881 Collar, Alignment 4 12930 1″ ID
3 334-1882 Collar, Alignment 4 12930-01 7/8″ ID
4 334-596 Spacer; 1 1/8″ID x 4″OD x 1/4″Thk 8 11222
4 334-1883 Spacer; 1″ ID 8 12927
4 334-1884 Spacer; 7/8″ ID 8 12927-01
5 334-193 Nut, Lock; 1 1/8″-12 4 10023
6 321-344 Bushing; 1 1/8″ID x 2 3/4″OD x 8 7/16″Lg 2 11938
6 321-374 Bushing; 1 1/8″ID x 3 1/2″OD x 8 1/4″Lg 2 12789 SL1800/2089
6
321-371
 Bushing; 1 1/8″ID x 3 1/2″OD x 8 7/16″Lg 2 11996 R/B 321-374
6 321-373 Bushing; 1″ID x 2 7/16″OD x 7″Lg 2 12932 SL1000
6
DIA
 Bushing; 7/8″ID x 2 7/16″OD x 7″Lg 2 12932-01 Use 321-373 + 334-1646
7 334-1466 Bolt; 1 1/8″-12 x 12″Lg 2 11602 Axle Connection
7 334-1480 Bolt; 1 1/8″-12 x 8 1/2″Lg 2 10036 Axle Connection
7 334-1469 Bolt; 1 1/8″-12 x 9 1/4″Lg 2 11225 Axle Connection
8 354-8008 Air Spring 2 AS-0019 LR, SR, LW, SSR, LP & Tru Track
8 354-8032 Air Spring 2 AS-0048 RO
8 354-7798 Air Spring 2 AS-0006 SL1800
9
354-6899
 Air Spring 2 AS-0058 LR, SR, LW, SSR, RO, Tru Track & SL1800
9 354-7705 Air Spring 2 AS-0068 LP
10 66833 Shock Absorber 2 12128 SL-1100/1100LR
11 345-164 Torque Rod, Adjustable; 18 1/2″-21″Lg; O.E. 2 17015 Incl. 321-175 Bushings
11 345-164HD Torque Rod, Adjustable; 18 1/2″-21″Lg 2 Heavy Duty; Cast End; Bushings Included
11 345-238 Torque Rod, Adjustable; 14 3/4″-17 1/4″Lg; O.E. 2 11947 Incl. 321-175 Bushings
11 345-167 Torque Rod, Rigid; 19 1/4″Lg c/c; O.E. 2 12954 Incl. 321-175 Bushings
11 345-811 Kit, Uni-Rod; 20″-30″Lg 2 17975 Replaces FCF008248-001, -002, -003 & -007; 345-793 x 345-793 Ends
12 321-175 Bushing; 1″ID x 1 15/16″OD x 3″Lg 4 17012
12 321-175U Bushing, Urethane 4 For Torque Rod
12
DIA
 Bushing; 7/8″ID x 1 15/16″OD x 3″Lg 4 Use 321-175 + 334-1644
12 321-153 Bushing; 7/8″ID x 1 29/32″OD x 3″Lg 4 19204
12 321-153U Bushing, Urethane 4 19682
13 334-344 Assembly, Bolt & Bushing 4 Incl. 321-175 Bushing, 334-345 Bolt Assy.
13 334-316 Assembly, Bolt & Bushing 4 Incl. 321-153 Bushing & 334-315 Bolt Assy.
14 66502 Stabilizer 2 11418, 12176
15 339-280 Kit, Service; Suspension Overhaul 1 SRK14 SL1100
15 339-294 Kit, Service; Suspension Overhaul 1 SRK12 SL1800
15 339-299 Kit, Service; Suspension Overhaul 1 SRK11903C SL1900
15
339-322
 Kit, Service; Suspension Overhaul 1 SRK08, AL/SL/TA 1100 Series
15
339-324
 Kit, Service; Suspension Overhaul 1 SRK2089-1 SL1900; 2 Beams

Straddlemount Trailer Single Point Suspension

 

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Straddlemount Trailer Single Point Suspension
Key Part Number Description No. Req OEM Reference Remarks
1 334-1482 Shaft; 54 1/2″ Lg 1 SP-0120
2 321-348 Bushing; 4″ID x 4.95″OD x 8.75″Lg 2 SP-0225
3 338-1353 Saddle, U-Bolt; Round 2 SP-0003 Overslung
3 338-424 Trunnion, Upper Half 2 SP-0177 Underslung Trunnion Assy.
4 338-1350 Seat, Trunnion 2 SP-0001
5 338-1351 Cap, Trunnion 2 SP-0006 Overslung
5 338-420 Plate, U-Bolt Clamp 2 SP-0171 Underslung Trunnion Assy.
6 361-565 Kit, U-Bolt; Round Bend, Grade 8 4 SP-0023K 1 1/8″ x 5 11/16″ x 14″ R
6 361-496 Kit, U-Bolt; Round Bend, Grade 8 4 1 1/8″ x 5 7/8″ x 15 1/2″ R
6 361-573 Kit, U-Bolt; Round Bend, Grade 8 4 1 1/8″ x 5 11/16″ x 16 1/2″ R
7 338-1117 Cap, End 4 SP-0015 PP Series; Overslung Ends
7 338-1348 Cap, Spring End; 2 Main Spring 4 SP-0016 HD/LW; Overslung Ends
7 338-1349 Cap, Spring End; 3 Main Spring 4 SP-0007 3″ Inside Height
7 338-1355 Cap, Spring End; 5″ Round Axles 4 For (2) Main Springs
7 338-1354 Cap, Spring End; 5″ Round Axle 4 SP-0013 For (3) Main Springs
8 338-1119 Seat; 5″ Square Axles 4 SP-0014 PP Series; Overslung Ends
8
338-1382
 Seat 4 SP-0092 338-1810 Rubber Bushing
8 338-1363 Seat; 5″ Round Axle 4 SP-0036 HD/LW; Overslung Ends
8
338-1556
 Seat; 5″ Square Axle 4 SP-0048 5″ Square Axles
8 338-1810 Seat; 5″ Round Axles 4 SP-0092 PP Series; Overslung Ends
9 338-1818 Pad, Seat Repair; Cast 4 5″ Round Axles
9 338-876 Pad, Seat Repair; Fabricated 4 SP-0082 5″ Round Axles
9 338-1557 Pad, End; Heavy Duty 4 SP-0029 5″ Round Axles
9 338-1118 Plate, Locator 4 SP-0043, SP-0051 PP Series; Overslung Ends
10 334-1111 Plate, Spacer; 1 11/16″ x 9 1/2″ X 5/32″Thk 8 SP-0083 (4) 13/16″Dia. Holes
11 325-151U Pad, Urethane; 1″ x 4 3/8″ x 7 5/8″ 4 PP Series
11 325-142U Pad, Urethane; 4 5/8″W x 5 1/4″Lg x 13/16″Thk 4 SP-0193 Urethane; Pink
12 361-516 Kit, U-Bolt; Round Bend, Grade 8 8 1″ x 5 1/8″ x 12 7/8″
12 361-531 Kit, U-Bolt; Round Bend, Grade 8 8 SP-0094K 1 1/8″ x 5 ” x 12″ R
12 361-338 Kit, U-Bolt; Square Bend, Forged Top, Grade 8 8 SP-0026K 1 1/8″ x 5 1/8″ x 13 1/2″ S
12 361-240 Kit, U-Bolt; Round Bend, Grade 8 8 SP-0021K 5/8″ x 5 1/8″ x 8 1/8″ R
12 361-244 Kit, U-Bolt; Square Bend, Grade 8 8 SP-0052K 5/8″ x 5 1/8″ x 9 3/8″ S
13 334-1110 Assembly, Bolt; 3/4″-10 x 2 1/2″Lg 8 Incl. Bolt & Hdwe.
14 334-622 Assembly, Bolt; 5/8″-18 x 2″Lg 16 Incl. Bolt & Hdwe.
15
Find Spring
 Assembly, Spring 2 See Leaf Spring Web Catalog For Details

 

TA-250/251/255/300 Trailer Air Suspensions

 

 

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TA250/251/255/300 (Early) Trailer Air Suspensions
Key Part Number Description No. Req OEM Reference Remarks
1 334-1480 Bolt; 1 1/8″-12 x 8 1/2″Lg 6 10036
1 334-1469 Bolt; 1 1/8″-12 x 9 1/4″Lg 6 11225
2 321-229 Bushing; 1 1/8″ID x 3 1/2″OD x 5 1/4″Lg. 2 10050 New Style; ART500B
2 321-229U Bushing, Urethane 2
2 321-345 Bushing; 1 1/8″ID x 4 9/16″OD x 5 1/4″Lg 2 11771 TA300
3 334-1649 Collar, Alignment 4 10005
3 334-1470 Collar, Alignment 4 11721 TA300
4 334-596 Spacer; 1 1/8″ID x 4″OD x 1/4″Thk 12 11222
5 334-193 Nut, Lock; 1 1/8″-12 6 10023
6 321-229 Bushing; 1 1/8″ID x 3 1/2″OD x 5 1/4″Lg. 4 10050 New Style; ART500B
6 321-231 Bushing; 1 1/8″ID x 2 3/4″OD x 5″Lg 4 11223 TA250, TA251 & TA255
7 352-9362 Air Spring 2 AS-0049 TA250-9 & TA251-6.5
7 352-9346 Air Spring 2 AS-0056 TA250-12 & TA251-12FS
7 352-9121 Air Spring 2 AS-0013 TA255-9 & TA300-9
7 352-9243 Air Spring 2 AS-0061 TA251-6.5FS, -7.5S, -8FS, -9FS, -10FS & -12FS
7 352-9366 Air Spring 2 AS-0054 TA250-6
7 352-9336 Air Spring 2 AS-0053 TA250-7.5 & TA280D
8 66893 Shock Absorber 2 10147
8 66636 Shock Absorber 2 10148
8
See Shocks
 Shock Absorber 2 Various Consult Shock Catalog For Model Specific Applications
9 361-240 Kit, U-Bolt; Round Bend, Grade 8 4 SP-0021K, 16001 5/8″ x 5 1/8″ x 8 1/8″ R
9 361-282 Kit, U-Bolt; Round Bend, Grade 8 4 SP-0157K 3/4″ x 5 1/8″ x 8″ R
9 361-471 Kit, U-Bolt; Round Bend, Grade 8 4 SP-0218K 7/8″ x 5 1/8″ x 9 7/8″ R
10
SP
 Strap, Retainer; 12 3/4″Lg 2 17076 Optional
11 339-292 Kit, Service; Axle Connection 1 SRK10 TA Series; (1) Axle
11 339-263 Kit, Service; Axle Connection 1 SRK-02 (1) Axle
12 339-293 Kit, Service; Pivot 1 SRK11 TA Series; (1) Axle

 

TI 250/300T Integra Series


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TI 250/300T Integra Series Trailer Air Suspension
Key Part Number Description No. Req OEM Reference Remarks
1
SP
 Hanger 2 Various Specify Ride Hgt, Type, Road/Curbside & Alignment
2 334-1858 Kit, Service; Standard Alignment 2 16079-01 One Beam End
2 334-1859 Kit, Service; Eccentric Alignment 2 16079-02 One Beam End
3 334-1838 Collar, Alignment; Standard 4 20203
3 334-1837 Washer, Eccentric Alignment 4 17234 Use w/334-1855
4 334-1480 Bolt; 1 1/8″-12 x 8 1/2″Lg 2 10036 Standard Alignment
4
334-1839
 Bolt; 1 1/8″ x 10 1/2″ Lg 2 17269 Eccentric Alignment
4 334-1469 Bolt; 1 1/8″-12 x 9 1/4″Lg 2 11225
5 334-193 Nut, Lock; 1 1/8″-12 2 19040F-113
6 334-898 Washer; 2 3/8″ID x 7 1/4″OD x 3/16″Thk 4 17183
6 334-1810 Washer, High Control 4 17419
7 339-274 Kit, Service; Pivot Bushing 1 SRK-64 Standard
7 339-276 Kit, Service; Pivot Bushing 1 SRK-65 Eccentric Alignment; High Control
8 65501 Shock Absorber 2 17186, 17186-01
8
See Shocks
 Shock Absorber 2 Various Consult Shock Catalog For Model Specific Applications
9 334-1105 Assembly, Bolt; 3/4″-10 x 3 1/2″Lg 1 16002 Incl. Bolt & Hdwe.
10
SP
 Bracket, HCV 1 30259
11 352-8774 Air Spring 2 AS-0159-1G
12
SP
 Assembly, Plate; Air Spring Mounting 2 950189-XX Specify Thickness
13
SP
 Washer; Air Spring Piston Support 2 90864
14 334-1647 Valve, Height Control; Universal 1 Replaces 334-714/715
14 334-1648 Valve, Height Control; w/Dump 1
14
SP
 Valve, Height Control 1 Varioius Watson Use HCV’s From Various Manufacturers; Retrofit w/ 334-1647 or
1648 Universal Valves
15 334-751 Linkage Assembly; Universal Adjustable 1 3 5/8″-19 5/8″ Range; Use w/All Height Control Valves
16
334-1855
 Insert, Eccentric; Hanger 4 17303-01 334-1837

TL-1100 ” Light Weight” Auxiliary Trailer Suspension

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TL-1100 ” Light Weight” Auxiliary Trailer Suspension
Key Part Number Description No. Req OEM Reference Remarks
1 334-1480 Bolt; 1 1/8″-12 x 8 1/2″Lg 2 10036 Pivot Connection
2 321-231 Bushing; 1 1/8″ID x 2 3/4″OD x 5″Lg 2 11223 Pivot Connection
2 321-227 Bushing; 1 1/8″ID x 2 3/8″OD x 5″Lg 2 10051 ARD125 & 244; 1981 & Up
3 334-1649 Collar, Alignment 4 10005
4 334-596 Spacer; 1 1/8″ID x 4″OD x 1/4″Thk 4 11222
4 334-1086 Washer; 1 11/16″ID x 3 1/4″OD x 1/8″Thk 4 10009
5 334-193 Nut, Lock; 1 1/8″-12 4
6 321-344 Bushing; 1 1/8″ID x 2 3/4″OD x 8 7/16″Lg 2 11938 Axle Connection
7 334-1466 Bolt; 1 1/8″-12 x 12″Lg 2 11602 Axle Connection
8 354-8008 Air Spring 2 AS-0019
9 354-6908 Air Spring 2 AS-0035 12.5, 16.5, 17.5, 18.5, 21.5 & 22.5 Ride Hgt
9 354-6897 Air Spring 2 AS-0058 14.5, 19.5 & 20.5 Ride Hgt
10 345-164 Torque Rod, Adjustable; 18 1/2″-21″Lg; O.E. 2 17105 Incl. 321-175 Bushings
10
345-164S
 Torque Rod, Adjustable; 18 1/2″-21″Lg; Service 2 Incl. 321-175 Bushings
11 66502 Stabilizer 2 11418

 

TL-2200 Auxiliary Trailer Suspension


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TL-2200 Auxiliary Trailer Suspension
Key Part Number Description No. Req OEM Reference Remarks
1 334-1469 Bolt; 1 1/8″-12 x 9 1/4″Lg 2 11225
2 321-229 Bushing; 1 1/8″ID x 3 1/2″OD x 5 1/4″Lg. 2 10050 New Style; ART500B
2 321-229U Bushing, Urethane 2
2
321-346
 Bushing; 1 1/8″ I.D. x 3 5/8″ O.D. x 5 1/4″ Lg 2 10050-0S Before 1988
3 334-1467 Collar, Alignment 4 10764
4 334-596 Spacer; 1 1/8″ID x 4″OD x 1/4″Thk 12 11222 Use w/321-229 Bushing
4 334-1086 Washer; 1 11/16″ID x 3 1/4″OD x 1/8″Thk 4 10009 Axle Connection; Before 1988
4 334-1477 Washer; 2 9/16″ID x 4 1/4″OD x 1/8″Thk 4 10008 Pivot; Before 1988
5 334-193 Nut, Lock; 1 1/8″-12 6
6 321-231 Bushing; 1 1/8″ID x 2 3/4″OD x 5″Lg 4 11223
6 321-227 Bushing; 1 1/8″ID x 2 3/8″OD x 5″Lg 4 10051 ARD125 & 244; 1981 & Up
7 334-1480 Bolt; 1 1/8″-12 x 8 1/2″Lg 4 10036 Can Use 334-607 & 334-375
8 352-9370 Air Spring 2 AS-0057
9 354-6897 Air Spring 2 AS-0059
10 361-282 Kit, U-Bolt; Round Bend, Grade 8 4 SP-0157K 3/4″ x 5 1/8″ x 8″ R
10 361-240 Kit, U-Bolt; Round Bend, Grade 8 4 SP-0021K 5/8″ x 5 1/8″ x 8 1/8″ R
11 334-1478 Strap; 13 3/4″Lg 2 11342 9″-12″ & 23″-26″ Ride Hgt
11 334-1481 Strap; 15 3/4″ Lg 2 14135 13″-14″ & 27″-29″ Ride Hgt
11 334-1479 Strap; 18 1/2″Lg 2 17025 15″-18″ & 30″-32″ Ride Hgt
11 334-1472 Strap; 19 3/4″Lg 2 11757 19″-20″ & 33″-34″ Ride Height
12 338-1912 Seat, Axle; LH 1 13246 9″, 10″, 15″, 26″, 32″ & 34″ Ride Hgt
12 338-1913 Seat, Axle; RH 1 13247 9″, 10″, 15″, 26″, 32″ & 34″ Ride Hgt
12
SP
 Seat, Axle; RH/LH 2 Various Ride Heights Not Listed Above
13 339-262 Kit, Service; Pivot Connection 1 SRK-01 (1) Axle
13 339-263 Kit, Service; Axle Connection 1 SRK-02 (1) Axle

TA250/300T, U (w/Multi-Function Bushing) Trailer Air Suspensions

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TA250/300T, U (w/Multi-Function Bushing) Trailer Air Suspensions
Key Part Number Description No. Req OEM Reference Remarks
1
SP
 Assembly, Hanger 2 Various Specify Weld/Bolt-On, Left/ Right, Model & Ride Height & Alignment
2 334-1859 Kit, Service; Eccentric Alignment 2 16079-02 One Beam End
3 334-1858 Kit, Service; Standard Alignment 2 16079-01 One Beam End
4
334-1855
 Insert, Eccentric; Hanger 4 17303-01, Use w/334-1837
5 334-1838 Collar, Alignment; Standard 4 20203
6 334-1837 Washer, Eccentric Alignment 4 17234 Use w/334-1855
7 339-274 Kit, Service; Pivot Bushing 1 SRK-64 Standard
7 339-276 Kit, Service; Pivot Bushing 1 SRK-65 H Control
7
SP
 Kit, Service; Pivot Bushing 1 SRK-75 Y Beam
8 334-898 Washer; 2 3/8″ID x 7 1/4″OD x 3/16″Thk 4
8 334-1810 Washer, High Control 4
9
SP
 Assembly, Beam 2 Various Specify Model No.
10 352-8753 Air Spring 2 AS-0098-01FK TA250T20-14; Rotate Piston
10 352-8637 Air Spring 2 AS-0107K TA250T20-15, -16, -17 & -18
10 352-9039 Air Spring 2 AS-0012 TA280
10 352-8861 Air Spring 2 AS-0061-19 TA252T07/07H-15 & STA250U04-7.5
10 352-9121 Air Spring 2 AS-0013 TA300U09-7.5 & TY300U04-6.5
10 352-9122 Air Spring 2 AS-0023 TA300U09-6.5 & TY300U04-7.5/9
10 352-8050 Air Spring 2 AS-0039 TA300T20-14
11
SP
 Plate, Upper Bag 2 Various Specify Suspension Model No.
12 361-637 Kit, U-Bolt; Special Bend 4 17477
12 361-470 Kit, U-Bolt; Round Bend, Grade 8 4 7/8″ x 6″ x 8 5/8″ R
12 361-471 Kit, U-Bolt; Round Bend, Grade 8 4 SP-0218K 7/8″ x 5 1/8″ x 9 7/8″ R
13 334-1137 Spacer, U-Bolt Axle 4 17181
14 66893 Shock Absorber 2 10147
14 66636 Shock Absorber 2 10148
14
See Shocks
 Shock Absorber 2 Various Consult Shock Catalog For Model Specific Applications
15
SP
 Hardware Pack, Vertical Shock 1 16002
16
SP
 Bracket, Connection; Leveling Valve Rod 2 30259
17
SP
 Valve, Height Control 1 Various Watson Used HCV’s From Various Manufacturers; Retrofit w/334-1647 or
1648 Universal Valves
17 334-1647 Valve, Height Control; Universal 1 Replaces 334-714/715
17 334-1648 Valve, Height Control; w/Dump 1
18 334-751 Linkage Assembly; Universal Adjustable 1 3 5/8″-19 5/8″ Range; Use w/All Height Control Valves
19
SP
 Tube, Frame 2 30338 Y Beam Only
20
SP
 Tube, Bushing 2 30339 Y Beam Only
21
SP
 Spacers 4 90644 Y Beam Only
22 334-936 Tool, Bushing Installation 1 Required To Properly Service Tri-Functional® Bushings
23 334-1918 Lubricant, Extreme High Pressure AR Recommended Tool Thread Lubricant
24 334-1665 Lubricant, Bushing Installation AR