Less than 1,000 lb.

1,000 lb. to 9,999 lb.

10,000 lb. to 19,999 lb.

20,000 lb. to 29,999 lb.

30,000 lb. or greater

Not Rated

15 1/2"

15 3/4"

16 3/8"

16 3/4"

17 1/4"

18 3/4"

21 1/2"

23"

24"

25"

26"

27"

27 3/8"

28"

29 1/4"

30"

31"

31 1/8"

31 5/8"

31 7/8"

32"

33"

35"

35 3/4"

36"

36 3/8"

36 1/2"

37 3/8"

37 1/2"

39"

40"

46 1/4"

46 3/8"

48"

51 1/2"

60"

72"

7"

11"

11 3/4"

12"

13 1/4"

14"

14 3/4"

15 1/2"

16"

16 3/8"

16 3/4"

17 1/8"

17 1/4"

17 5/8"

17 3/4"

18"

19"

19 1/2"

20"

20 1/8"

20 1/4"

21"

21 5/8"

22"

23 1/2"

23 5/8"

24"

25 1/4"

27 5/8"

30"

34"

36"

Two Axle-Mounted Wheels

Two Axle-Mounted Wheels and Two Swivel Casters

Four Axle-Mounted Wheels

Six Axle-Mounted Wheels

Eight Axle-Mounted Wheels

Ten Axle-Mounted Wheels

Two Rigid Casters and Two Swivel Casters

Two Rigid Casters and Two Swivel Casters with Brakes

Two Rigid Casters and Four Swivel Casters

Four Rigid Casters and Two Swivel Casters

Three Swivel Casters

Four Swivel Casters

Four Swivel Casters (Two with Brakes)

Six Swivel Casters

1

2

3

4

5

6

10

1 3/4"

2"

2 1/2"

2 5/8"

3"

3 1/2"

4"

5"

5 1/2"

6"

7 1/2"

8"

9"

10"

12"

16"

16.125"

18.125"

20 1/2"

Aluminum

Iron

Plastic

Rubber

Steel