U-Bolt Sizes For Axles

Axle Size + Spring Size + Axle Locator + Fish Plate = U Bolt Size

Axle Size

Spring Size

U-bolt Size

Nut Size

Washer

39mm Round

3 Leaf

39mm x 100mm (4 inch)

1/2"

Y

39mm Round

4 Leaf

39mm x 110mm (4.5 inch)

1/2"

Y

39mm Round

5 Leaf

39mm x 125mm (5 inch)

1/2"

Y

40mm Square

3 Leaf

40mm x 110mm (4.5 inch)

1/2"

Y

40mm Square

4 Leaf

40mm x 110mm (4.5 inch)

1/2"

Y

40mm Square

5 Leaf

40mm x 125mm (5 inch)

1/2"

Y

40mm Square

6 Leaf

40mm x 125mm (5 inch)

1/2"

Y

40mm Square

7 Leaf

40mm x 140mm (5.5 inch)

1/2"

Y

40mm Square

9 Leaf

40mm x 140mm (5.5 inch)

1/2"

Y

45mm Square

4 Leaf

45mm x 125mm (5 inch)

1/2"

Y

45mm Square

5 Leaf

45mm x 125mm (5 inch)

1/2"

Y

45mm Square

6 Leaf

45mm x 140mm (5.5 inch)

1/2"

Y

45mm Square

7 Leaf

45mm x 140mm (5.5 inch)

1/2"

Y

45mm Square

9 Leaf

45mm x 150mm (6 inch)

1/2"

Y

50mm Square

5 Leaf

50mm x 140mm (5.5 inch)

1/2"

Y

50mm Square

6 Leaf

50mm x 140mm (5.5 inch)

1/2"

Y

50mm Square

7 Leaf

50mm x 140mm (5.5 inch)

1/2"

Y

50mm Square

9 Leaf

50mm x 150mm (6 inch)

1/2"

Y