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Please Select Your Spring Type:
EE (Eye) EL (Loop) ES (Hook) ES (Flat) ES (Radius)



Eye/Eye Utility and Boat Trailer Springs
Part
No.
Width Dim.
A
Dim.
B
Dim.
C
Dim.
D
Dim.
E
Bushing Leaves Grading Capacity
US-1004 1 3/4 10 10 3 0.97 18 3/8 9/16" 3 3/323 1,600
US-1028 1 3/4 11 3/16 11 3/16 3 3/8 1.106 20 1/2 9/16" 4 2/291,2/262 1,400
US-1046 1 3/4 12 1/2 12 1/2 3 1/2 1.08 23 1/8 9/16" 3 3/360 1,750
US-1063 1 3/4 12 9/16 12 9/16 3 5/8 1.44 23 1/8 9/16" 4 4/360 2,500
US-1035 1 3/4 13 1/4 13 1/4 3 1.043 25 1/4 9/16" 3 2/360,1/323 1,500
US-1051 1 3/4 13 1/4 13 1/4 3 1.162 25 1/8 9/16" 3 2/401,1/360 2,000
US-1067 1 3/4 13 1/4 13 1/4 3 1.44 25 1/8 9/16" 4 4/360 2,250
US-1079 1 3/4 13 1/4 13 1/4 3 1.563 25 1/8 9/16" 4 3/401,1/360 3,000
US-1075 1 3/4 13 1/4 13 1/4 3 1.8 25 1/8 9/16" 5 5/360 2,700
US-1015 1 3/4 14 14 4 1/4 1.048 26 9/16" 4 4/262 1,150
US-1040 1 3/4 14 14 4 1/4 1.08 26 9/16" 3 3/360 1,500
US-1060 1 3/4 14 14 4 1/4 1.44 26 9/16" 4 4/360 2,000
US-1071 1 3/4 14 14 4 1/4 1.8 26 9/16" 5 5/360 2,500
US-1083 1 3/4 14 14 4 1/4 2.16 26 9/16" 6 6/360 2,900
US-1033 1 3/4 15 3/8 15 3/8 4 1.455 29 1/8 9/16" 5 5/291 1,250
US-1041 1 3/4 16 1/8 16 1/8 4 5/8 1.08 30 9/16" 3 3/360 1,250
US-1008 1 3/4 10 3/4 10 3/4 3 1.048 20 9/16" 4 4/262 1,000
UNA-030 1 3/4 10 3/4 10 3/4 3.25 0.259 19.92 1/2" 4 - 1,290
UNA-041 1.75 11.1 11.1 3.25 0.323 20 9/16" 3 - 1,500
UNA-168 1.75 11 11 3.38 3/.237 20.31 9/16" 3 - 700
UNA-169 1.75 11 11 3.19 0.262 20.38 9/16" 3 - 1,000
UNA-033 1.75 12.31 12.31 3.81 0.197 22.75 9/16" 2 - 300
UNA-135 1.75 12.5 12.5 3.63 2/.323 1/.291 23.13 9/16" 3 - 1,250
UNA-113 1.75 12.63 12.63 3.5 0.291 23.5 9/16" 3 - 1,000
UNA-114 1.75 12.68 12.68 3.56 0.291 23.5 9/16" 4 - 1,500
UNA-188 1.75 12.64 12.64 3.19 0.291 24 1/2" 5 - 1,625
UNA-219 1.75 13.29 13.29 3.18 2/.323 1/.291 25.13 9/16" 3 - 1,250
UNA-212 1.75 13.19 13.19 3.25 0.323 25.13 9/16" 4 - 1,750
UNA-218 1.75 13.25 13.25 3 2/.401 2/.360 25.25 9/16" 4 - 2,500
UNA-115 1.75 13.2 13.2 3 0.85 25.25 NONE 1T - 3,000
UNA-223 1.75 13.39 13.39 3.5 0.36 25.25 9/16" 6 - 3,380
UNA-121 1.75 14.03 14.03 4.13 0.259 26 9/16" 2 - 500
UNA-122 1.75 14.07 14.07 4.12 0.237 26 9/16" 3 - 690
UNA-123 1.75 14.07 14.07 4.12 0.237 26 9/16" 4 - 750
UNA-049 1.75 14 14 4.25 0.36 26 9/16" 2 - 1,000
UNA-054 1.75 14 14 4.25 0.36 26 9/16" 7 - 3,500
UNA-055 1.75 14 14 4.25 0.36 26 9/16" 8 - 4,000
UNA-144 1.75 14.21 14.21 3.5 1/.291 2/.262 27 9/16" 3 - 750
UNA-141 1.75 13.98 13.98 2.83 2/.323 1.291 27 9/16" 3 - 1,000
UNA-210 1.75 13.98 13.98 2.75 3/.360 1/.323 27 9/16" 4 - 1,750
UNA-234 1.75 13.98 13.98 2.75 0.36 27 9/16" 5 - 2,250
UNA-142 1.75 14.14 14.14 3.25 4/.401 2/.360 27 9/16" 6 - 3,000
UNA-190 1.75 14.88 14.88 4.25 0.259 28 9/16" 4 - 925
UNA-191 1.75 14.88 14.88 4.25 0.259 28 9/16" 5 - 1,150
UNA-084 1.75 15.12 15.12 4.25 0.237 28 9/16" 4 - 650
UNA-035 1.75 15.63 15.63 4 0.259 29.7 9/16" 3 - 650
UNA-032 1.75 15.63 15.63 4 0.259 29.7 9/16" 7 - 1,500
UNA-224 1.75 15.87 15.87 4.38 0.36 29.75 9/16" 3 - 1,250
UNA-022 1.75 16.38 16.38 5 0.36 30 9/16" 6 - 2,480

Eye/Loop Utility Trailer Springs
Part
No.
Width Dim.
A
Dim.
B
Dim.
C
Dim.
D
Dim.
E
Bushing Leaves Grading Capacity
US-2010 1 3/4 11 1/8 11 3/4 3 1/4 1.572 21 3/4 9/16" 6 6/262 1,750
US-2022 1 3/4 12 13 1/2 2 1/2 1.8 24 1/2 9/16" 5 5/360 2,500
US-2017 1 3/4 12 1/2 13 3 1/4 1.455 24 9/16" 5 5/291 1,550
US-2009 1 3/4 13 1/2 14 3 1/2 1.08 26 1/4 1 1/32"** 3 3/360 1,750
US-2014 1 3/4 13 1/2 14 3 1/2 1.44 26 1/4 1 1/32"** 4 4/360 2,250
US-2016 1 3/4 13 1/2 14 3 1/2 1.8 26 1/4 1 1/32"** 5 5/360 2,850
UNA-262 1.75 13.75 14.1 3.5 0.323 26.25 9/16 3 - 1,500

Eye/Slipper:Hook Utility Trailer Springs
Part
No.
Width Dim.
A
Dim.
B
Dim.
C
Dim.
D
Dim.
E
Bushing Leaves Grading Capacity
US-3018 1 3/4 12 1/2 16 ¹⁄4 5 1/2 1.048 25 9/16" 4 4/262 1,000
US-3034 1 3/4 13 1/4 15 1/8 4 ½ 1.048 26 9/16" 4 4/262 1,250
US-3036 1 3/4 14 1/2 18 4 ¼ 1.164 30 ¹⁄2 9/16" 4 4/291 1,000
US-3074 2 12 16 3 1/8 1.8 26 7⁄8 9/16" 5 5/360 3,500
US-3083 2 12 16 3 ½ 1.8 26 ³⁄8 RB 5/8" 5 5/360 3,500
US-3073 2 12 3/4 15 1/4 3 1/2 1.8 26 ¹⁄2 9/16" 5 5/360 3,400
US-3084 2 14 1/8 16 1/2 3 1/2 2.406 29 ¹⁄2 9/16" 6 6/401 4,300
US-3032 2 1/2 11 5/16 16 3/4 3 1/2 1.44 26 ¹⁄8 JFE 4 4/360 2,500
UNA-128 2 11.75 15.75 2.5 1/.360 3/.323 26.25 9/16" 4 - 2,000
UNA-229 2 12 16.06 3.19 0.291 26.63 9/16" 4 - 1,500
UNA-314 2 12 16.06 3.19 0.291 26.63 9/16RB 4 - 1,500
UNA-230 2 12 16.06 3 1/.360 3/.323 26.63 9/16" 4 - 2000
UNA-231 2 12 16.06 3.06 0.36 26.63 9/16" 4 - 2,500
UNA-315 2 12 16.06 3.19 0.36 26.63 9/16RB 5 - 3,500
UNA-285 2 12 16.06 3 0.36 26.63 9/16" 7 - 4,000
UNA-300 2 12 16.06 3.19 0.36 26.63 5/8RB 7 - 4,000
UNA-317 2 12 16.06 3.19 0.36 26.63 9/16RB 7 - 4,000
UNA-196 1.75 14.75 18.94 4.31 0.291 30.62 9/16" 4 - 1,000
UNA-197 1.75 14.75 18.94 4.31 0.291 30.62 9/16" 5 - 1,250
UNA-195 1.75 14.61 18.94 4.13 0.291 30.75 9/16" 3 - 750

Eye/Slipper:Flat Utility Trailer Springs
Part
No.
Width Dim.
A
Dim.
B
Dim.
C
Dim.
D
Dim.
E
Bushing Leaves Grading Capacity
US-3006 1 3/4 15 17 3/4 4 7/8 1.08 30 9/16" 3 3/360 1,425
US-3054 1 3/4 15 17 3/4 4 7/8 1.44 30 9/16" 4 4/360 2,000
US-3007 1 3/4 15 17 3/4 4 7/8 1.8 30 9/16" 5 5/360 2,300
US-3014 1 3/4 18 21 5/8 6 1.8 36 9/16" 5 5/360 1,750
US-3010 2 14 1/4 17 1/2 3 7/8 2.544 30 5/8" 6 3/447,3/401 4,500
US-3013 2 1/2 14 15/16 19 3/16 4 2.235 32 1/2 RB 5/8" 5 5/447 5,000
UNA-193 1.75 10.06 11.88 4.62 0.237 19 9/16" 2 - 600
UNA-267 1.75 12.2 14.25 4 0.262 24.5 9/16" 3 - 850
UNA-043 1.75 12.2 14.13 4 0.237 24.5 9/16" 4 - 1,000
UNA-202 1.75 12.1 14.5 3.5 0.259 25 9/16" 2 - 600
UNA-203 1.75 12.1 14.5 3.5 0.259 25 9/16" 3 - 900
UNA-204 1.75 12.1 14.5 3.5 0.259 25 9/16" 4 - 1,200
UNA-205 1.75 12.1 14.5 3.5 0.323 25 9/16" 3 - 1,400
UNA-206 1.75 12.1 14.5 3.5 0.36 25 9/16" 3 - 1,720
UNA-207 1.75 12.1 14.5 3.5 0.323 25 9/16" 5 - 2,300
UNA-208 1.75 12.1 14.5 3.5 0.36 25 9/16" 4 - 2,300
UNA-013 1.75 13 15.5 5 0.237 25.13 9/16" 2 - 470
UNA-014 1.75 13 15.5 5 0.237 25.13 9/16" 3 - 705
UNA-015 1.75 13 15.5 5 0.237 25.13 9/16" 4 - 940
UNA-016 1.75 13 15.5 5 0.237 25.13 9/16" 5 - 1,184
UNA-018 1.75 12.2 14.12 4.38 0.262 24 9/16" 1 - 300
UNA-037 1.75 15 17.75 4.88 0.323 30 9/16" 2 - 705
UNA-038 1.75 15 17.75 4.88 0.36 30 9/16" 2 - 880
UNA-057 1.75 15 17.75 4.88 0.36 30 9/16" 6 - 3,000

Eye/Slipper:Radius Utility Trailer Springs
Part
No.
Width Dim.
A
Dim.
B
Dim.
C
Dim.
D
Dim.
E
Bushing Leaves Grading Capacity
US-3031 1 3/4 12 1/8 14 1/2 4 0.948 20 1/4 9/16" 4 4/262 1,000
US-3070 1 3/4 13 18 3/4 4 3/4 0.553 29 9/16" 2 1/291,1/262 500
US-3081 1 3/4 14 1/2 19 1/2 4 1/4 1.746 32 9/16" 6 6/291 1,500
US-3062 2 1/2 13 1/2 18 3/8 4 2.143 29 3/4 JFE 5 3/447,2/401 5,000
US-3088 3 14 1/2 18 1/2 4 2.005 30 1/2 321-359 5 5/401 5,000
UNA-026 1.75 9.45 12.97 3.25 0.323 20.75 9/16" 3 - 1,000
UNA-080 1.75 11.42 13.58 4.5 0.262 21.13 9/16" 2 - 590
UNA-176 1.75 12 14.5 4 0.237 24.62 1/2" 1+ P - 230
UNA-177 1.75 12 14.5 4 0.237 24.62 9/16" 2 - 500
UNA-178 1.75 12 14.5 4 0.237 24.62 9/16" 3 - 750
UNA-180 1.75 12 14.5 4 0.237 24.62 1/2" 5 - 1,240
UNA-133 1.75 13.62 16.75 4.81 0.291 27.5 9/16" 2 - 700
UNA-132 1.75 13.62 16.5 4.63 1/.360 1/323 27.5 9/16" 2 - 1,000
UNA-268 3 14.57 18.1 3.94 0.401 30.5 1RB 5 - 5,000
UNA-269 3 14.57 18.1 3.94 0.401 30.5 1RB 6 - 6,000
UNA-269 3 14.57 18.1 3.94 0.401 30.5 1RB 6 - 6,000
UNA-270 3 14.57 18.1 4 0.401 30.5 1RB 7 - 7,500
UNA-298 2.5 14.77 18.21 4 3/447 2/401 31.25 3/4RB 5 - 5,000
UNA-028 1.75 14.5 19.5 4.25 0.291 32 1/2" 2 - 600
UNA-034 1.75 14.5 19.5 4.25 0.291 32 1/2" 3 - 800
UNA-024 1.75 14.5 19.5 4.25 0.291 32 1/2" 4 - 1,100
UNA-029 1.75 14.5 19.5 4.25 0.291 32 1/2" 5 - 1,200
UNA-029N 1.75 14.5 19.5 4.25 0.291 32 1/2" 6 - 1,400


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Not Interested in replacing your Trailer Leaf Springs?

Take a look at Timbren's exclusive "Axle-Less" trailer suspension systems for an alternative ride quality solution. Instead of replacing your trailer leaf springs, adding the axle-less suspension kit will swap out your current axle with a spindle and rubber spring combination for maximum off-road stability.

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