“Parallelogram” Trailer Four Spring Suspension
Click on the part number for pricing and information!
| “Parallelogram” Trailer Four Spring Suspension | |||||
| Key | Part Number | Description | No. Req | OEM Reference | Remarks |
| 1 |
338-1422
|
Assembly, Equalizer | 2 | 3-A66-32 | Incl. 322-111 Bushing |
| 2 |
334-995
|
Assembly, Shaft & Bushing | 2 | 700-7-152 | Incl. 334-993 Shaft, 322-111 Bushing, Seals, Roll Pin & Zerk |
| 3 |
334-993
|
Shaft; Greaseable; 2″OD x 7 1/8″Lg | 2 | 3/10/1931 | |
| 4 |
334-994
|
Pin, Roll; 3/8″OD x 2 3/4″Lg | 2 | 3/10/1933 | Obsolete |
| 5 |
322-111
|
Bushing | 2 | Obsolete | |
| 6 | 334-220 | Seal; 2″ID x 2 5/8″OD x 1/4″Thk | 4 | ||
| 7 | 334-631 | Assembly, Bolt; Rebound; 5/8″-18 x 5″Lg | 6 | 50-BIT-43C | Incl. Bolt, 3 5/8″Lg. Tube & Lock Nut |
| 8 |
345-755
|
Torque Rod, Adjustable; 12″-14″Lg | 2 | 3-A11-50 | Incl. 321-356 Bushings |
| 8 |
345-756
|
Torque Rod, Adjustable; 18″-20″Lg | 2 | Incl. 321-356 Bushings | |
| 9 |
334-987
|
Assembly, Sleeve & Bushing | 8 | Incl. 321-356 Bushing, 334-988 Pin & Hdwe. | |
| 10 | 321-356 | Bushing | 8 | 3/12/2016 | |
| 11 |
334-988
|
Sleeve, Torque Rod; 1 5/16″OD x 4 15/16″Lg | 8 | 3/12/2017 | Obsolete |
| 12 | 334-990 | Assembly, Bolt; 3/4″-16 x 6″Lg | 8 | 50-1B-150 | Incl. Grade 5 Bolt & Nut |
| 13 | 334-166 | Washer, Hard Flat; 3/4″ | 16 | 3-36-5 | |
| 14 |
Find Spring
|
Assembly, Spring | 4 | See Leaf Spring Web Catalog For Details | |
”International” Fabricated Trailer Four Spring Suspension
Click on part number for pricing and information!
| ‘International” Fabricated Trailer Four Spring Suspension | |||||
| Key | Part Number | Description | No. Req | OEM Reference | Remarks |
| 1 | 338-805 | Hanger, Rear | 2 | 3-A1-17 | Straddlemount |
| 1 | 338-806 | Hanger, Rear | 2 | 3-A1-20 | Undermount |
| 2 |
338-1625
|
Assembly, Equalizer; Cast | 2 | 3-A66-48 | Incl. 321-220 Bushing |
| 3 | 334-547 | Assembly, Bolt & Bushing | 2 | Incl. (2) 334-546 Bolts, 321-220 Bushing, Lock Tab & Hdwe. | |
| 4 | 334-983 | Kit, Service; Equalizer Bolt | 2 | 700-7-155 | Incl. 334-548 & (2) 334-631 |
| 5 | 334-548 | Assembly, Bolt | 2 | Incl. (2) 334-546 Bolts, Lock Tab & Hdwe. | |
| 6 | 334-360 | Tab, Lock | 2 | 729-00, 3-36-16 | |
| 7 | 321-220 | Bushing; 3 5/16″OD x 4 7/16″Lg w/3/4″ Holes | 2 | 3/12/1932 | |
| 7 |
321-220U
|
Bushing, Urethane | 2 | ||
| 8 | 334-631 | Assembly, Bolt; Rebound; 5/8″-18 x 5″Lg | 6 | 50-BIT-43C | Incl. Bolt, 3 5/8″Lg. Tube & Lock Nut |
| 9 | 345-713 | Torque Rod, Adjustable; 16″-18″Lg | 1 | 3-A11-85A | Use 321-177 Bushings, Not Included |
| 9 | 345-172 | Torque Rod, Adjustable; 18″-20″Lg | 1 | 16167-04, 7613-02 | Use 321-177 Bushings, Not Included |
| 9 |
345-716
|
Torque Rod, Rigid; 17″Lg c/c | 1 | 3-A11-85B | Use 321-177 Bushings, Not Included |
| 9 |
345-715
|
Torque Rod, Rigid; 19 7/8″Lg c/c | 1 | 3-A11-84B | Use 345-172 |
| 10 |
334-339
|
Assembly, Shaft & Bushing | 8 | 7637-00, 3-69-2 | Old Style; Use 334-640 |
| 10 | 334-640 | Kit, Service; Torque Rod Bolt & Bushing | 8 | Incl. 334-367 Bolt, 321-177 Bushings & Hdwe. | |
| 11 | 321-177 | Bushing; 1 1/4″ID x 2 3/16″OD x 1 3/4″Hgt | 16 | 7620-00, 3-12-39 | |
| 11 | 321-177U | Bushing, Urethane | 16 | ||
| 12 | 338-810 | Saddle, U-Bolt; 3 1/2″W x 7 1/2″Lg | 4 | 3-A26-11 | |
| 13 |
GL-495
|
Liner; 3 1/2″W x 8″Lg w/1″ Hole | 4 | Install on Tension (Top) Side of Spring | |
| 14 | 338-808 | Plate, Bottom Clamp; 4″ x 6″ Axle | 4 | 3-A5-8 | 4″x 6″ Rectangular Axles |
| 14 | 338-809 | Plate, Bottom Clamp; 5″ Round Axle | 4 | 3-A5-12 | 5″ Round Axles |
| 15 | 361-172 | Kit, U-Bolt; Round Bend, Grade 8 | 8 | 700-3-29 | 7/8″ x 3 9/16″ x 13 3/8″ R |
| 15 | 361-174 | Kit, U-Bolt; Round Bend, Grade 8 | 8 | 700-3-27 | 7/8″ x 3 9/16″ x 15 3/8″ R |
| 15 | 361-252 | Kit, U-Bolt; Round Bend, Grade 5 | 8 | 700-3-25 | 7/8″ x 5 1/8″ x 13 7/8″ R |
| 16 |
Find Spring
|
Assembly, Spring | 4 | See Leaf Spring Web Catalog For Details | |
”Short Rocker” Cast Trailer Four Spring Suspension
Click on the part number for pricing and information!
| ‘Short Rocker” Cast Trailer Four Spring Suspension | |||||
| Key | Part Number | Description | No. Req | OEM Reference | Remarks |
| 1 |
338-1630
|
Hanger, Center | 2 | 3-1-150 | Obsolete |
| 2 |
334-996
|
Assembly, Shaft & Bushing | 2 | Incl. 334-993 Shaft, 321-154 Bushing & Roll Pin | |
| 3 |
334-1237
|
Shaft, Dry; 2″OD x 7 1/8″Lg | 2 | 3/10/1934 | Can Use 334-993 Greasable Shaft |
| 3 |
334-993
|
Shaft; Greaseable; 2″OD x 7 1/8″Lg | 2 | 3/10/1931 | |
| 4 |
334-992
|
Pin, Roll; 1/2″ x 2 3/4″Lg | 2 | 3/10/1936 | |
| 5 | 321-154 | Bushing; 2″ID x 3 1/8″OD x 4 1/4″Lg | 2 | 3/12/2020 | |
| 5 |
321-154U
|
Bushing, Urethane | 2 | ||
| 6 | 338-1423 | Assembly, Equalizer | 2 | 3-A66-42 | Incl. 321-154 Bushing |
| 7 | 334-631 | Assembly, Bolt; Rebound; 5/8″-18 x 5″Lg | 4 | 50-BIT-43C | Incl. Bolt, 3 5/8″Lg. Tube & Lock Nut |
| 8 | 345-687 | Torque Rod, Adjustable; 18″-20″Lg | 4 | 3-A11-74G | Incl. (2) 321-294 Bushings |
| 9 | 334-984 | Assembly, Sleeve & Bushing | 8 | 700-7-44 | Incl. 334-985 Pin, 321-294 Bushing & Hdwe. |
| 10 | 321-294 | Bushing; 1 5/16″ID x 2 3/8″OD x 2 1/4″Lg | 8 | 3/12/2006 | 1 5/16″ID x 2 3/8″OD x 2 1/4″Lg |
| 11 | 334-985 | Sleeve,Torque Rod; 1 5/16″OD x 4 3/16″Lg | 8 | 3/12/2007 | 1 5/16″OD x 4 3/16″Lg |
| 12 | 334-579 | Assembly, Bolt; 3/4″-16 x 5 1/2″Lg | 8 | Bolt & Lock Nut | |
| 13 | 334-166 | Washer, Hard Flat; 3/4″ | 16 | 3-36-5 | |
| 14 |
338-1631
|
Saddle, U-Bolt | 4 | 3/31/2022 | Obsolete |
| 14 | 338-810 | Saddle, U-Bolt; 3 1/2″W x 7 1/2″Lg | 4 | 3-A26-11 | |
| 15 | 361-506 | Kit, U-Bolt; Square Bend, Grade 8 | 4 | 700-3-24 | 7/8″ x 3 9/16″ x 16″ S |
| 15 | 361-582 | Kit, U-Bolt; Round Bend, Grade 8 | 4 | 700-3-27 | 7/8″ x 3 9/16″ x 16 3/8″ R |
| 16 |
339-141
|
Kit, Maintenance; “Short Rocker” | 1 | Incl. (2) 334-996 & (8) 334-984 | |
| 17 |
Find Spring
|
Assembly, Spring | 4 | See Leaf Spring Web Catalog For Details | |
”Standard” Fabricated Trailer Four Spring Suspension
Click on the part number for pricing and information!
| ‘Standard” Fabricated Trailer Four Spring Suspension | |||||
| Key | Part Number | Description | No. Req | OEM Reference | Remarks |
| 1 | 338-803 | Hanger, Front | 2 | 3-A1-16 | Straddlemount |
| 1 | 338-804 | Hanger, Front | 2 | 3-A1-22 | Undermount |
| 1 |
DIA
|
Hanger, Front | 1-Jan | 3-A1-21R/L | Straddlemount |
| 2 |
338-1424
|
Hanger, Center | 2 | 3-A1-18 | Straddlemount |
| 2 |
338-1629
|
Hanger, Center | 2 | 3-A1-24 | Undermount |
| 2 |
DIA
|
Hanger, Center | 1-Jan | 3-A1-23R/L | Side Mount |
| 3 | 338-805 | Hanger, Rear | 2 | 3-A1-17 | Straddlemount |
| 3 | 338-806 | Hanger, Rear | 2 | 3-A1-20 | Undermount |
| 3 |
DIA
|
Hanger, Rear | 1-Jan | 3-A1-19R/L | Side Mount |
| 4 | 338-807 | Assembly, Equalizer | 2 | 3-A66-43 | 16″ Long; 49″ Axle Spacing |
| 5 | 334-547 | Assembly, Bolt & Bushing | 2 | Incl. (2) 334-546 Bolts, 321-220 Bushing, Lock Tab & Hdwe. | |
| 6 | 334-983 | Kit, Service; Equalizer Bolt | 2 | 700-7-155 | Incl. 334-548 & (2) 334-631 |
| 7 | 334-548 | Assembly, Bolt | 2 | Incl. (2) 334-546 Bolts, Lock Tab & Hdwe. | |
| 8 | 334-360 | Tab, Lock | 2 | 729-00 | |
| 9 | 321-220 | Bushing; 3 5/16″OD x 4 7/16″Lg w/3/4″ Holes | 2 | 3/12/1932 | |
| 9 |
321-220U
|
Bushing, Urethane | 2 | ||
| 10 | 334-631 | Assembly, Bolt; Rebound; 5/8″-18 x 5″Lg | 6 | 50-BIT-43C | Incl. Bolt, 3 5/8″Lg. Tube & Lock Nut |
| 11 | 345-191 | Torque Rod, Adjustable; 16″-18″Lg c/c; | 2 | 3-A11-65A | Incl. 321-175 Bushings |
| 11 | 345-192 | Torque Rod, Rigid; 17″Lg | 2 | 3-A11-64 | Incl. 321-175 Bushings |
| 12 | 334-344 | Assembly, Bolt & Bushing | 8 | 700-7-149 | Incl. 321-175 Bushing, 334-345 Bolt Assy. |
| 13 | 334-345 | Assembly, Bolt; 1″-14 x 5″Lg | 8 | Incl. Bolt & Lock Nut | |
| 14 | 321-175 | Bushing; 1″ID x 1 15/16″OD x 3″Lg | 8 | 3/12/1935 | |
| 14 | 321-175U | Bushing, Urethane | 8 | For Torque Rod | |
| 15 | 338-810 | Saddle, U-Bolt; 3 1/2″W x 7 1/2″Lg | 4 | 3-A26-11 | |
| 16 |
338-1626
|
Bracket, Torque Rod/Seat; 3/4″, 5″ Round Axle | 4 | 3-A5-11E | 5″ Round Axles |
| 16 |
338-1627
|
Bracket, Torque Rod/Seat; 1 1/2″, 5″ Round Axle | 4 | 3-A5-11A | 5″ Round Axles |
| 16 |
338-1628
|
Bracket, Torque Rod/Seat; 2 1/4″, 5″ Round Axle | 4 | 3-A5-11B | 5″ Round Axles |
| 16 |
DIA
|
Bracket, Torque Rod/Seat; 3 1/4″ | 4 | 3-A5-11C | 5″ Round Axles |
| 16 | 338-1420 | Bracket, Torque Rod/Seat; 1″, 4″x 6″ Axle | 4 | 3-A5-7A | 4″ x 6″ Rectangular Axles |
| 16 |
338-1421
|
Bracket, Torque Rod/Seat; 1 3/4″, 4″x 6″ Axle | 4 | 3-A5-7B | 4″ x 6″ Rectangular Axles |
| 16 |
DIA
|
Bracket, Torque Rod/Seat; 2 3/4″ | 4 | 3-A5-7C | 4″ x 6″ Rectangular Axles |
| 16 |
DIA
|
Bracket, Torque Rod/Seat; 3 3/4″ | 4 | 3-A5-7D | 4″ x 6″ Rectangular Axles |
| 17 |
GL-295
|
Liner; 2 7/8″ x 8″Lg w/7/8″ Hole | 4 | ||
| 18 | 338-808 | Plate, Bottom Clamp; 4″ x 6″ Axle | 4 | 3-A5-8 | 4″ x 6″ Rectangular Axles |
| 18 | 338-809 | Plate, Bottom Clamp; 5″ Round Axle | 4 | 3-A5-12 | 5″ Round Axles |
| 19 | 361-172 | Kit, U-Bolt; Round Bend, Grade 8 | 8 | 700-3-29 | 7/8″ x 3 9/16″ x 13 3/8″ R |
| 19 | 361-174 | Kit, U-Bolt; Round Bend, Grade 8 | 8 | 700-3-27 | 7/8″ x 3 9/16″ x 15 3/8″ R |
| 19 | 361-252 | Kit, U-Bolt; Round Bend, Grade 5 | 8 | 700-3-25 | 7/8″ x 5 1/8″ x 13 7/8″ R |
| 19 | 361-254 | Kit, U-Bolt; Round Bend, Grade 8 | 8 | 7/8″ x 5 1/8″ x 13 7/8″ R | |
| 20 |
Find Spring
|
Assembly, Spring | 4 | See Leaf Spring Web Catalog For Details | |