Railroad Wheel Chocks | McMaster-Carr

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15 Products

Railcar Wheel Chocks

Single Chock

Single Chock with Red/White Flag

Double Chock

Double Chock with Red/White Flag

Exposed Rail

Paved Rail

Chock the wheels on stationary railcars to keep them from moving during loading, unloading, and servicing. They’re for chocking railcars on a flat track, so they’re not recommended for use on tracks at an incline or decline. Chocks install quickly, without tools.

A flag indicates that chocks are in use.

Single chocks prevent forward motion.

Double chocks prevent forward and backward motion. Painted steel chocks are connected by a chain; a rubber strap attaches to the chain and draws the chocks together. Polyurethane chocks won't degrade from corrosive chemicals, unlike steel chocks. They’re compressible, so they can expand back to their original shape. As a result, these chocks will not cause a spark or damage to the rail if a railcar runs them over. When you’re ready to remove them, pull the railcar over them before retrieving. They're connected by a cable, which weighs less than a chain and won't corrode from moisture.

Chocks

For Rail
Style	Size, lbs. per 3 ft.	For Wheel Dia.	Lg.	Ht.	Material	Color	Specifications Met	Features		Each
Single Chock
Exposed	75-141	28"-42"	7 1/2"	2 3/4"	Painted Steel	Safety Yellow	OSHA Compliant 29 CFR 1910.110, OSHA Compliant 29 CFR 1910.111, OSHA Compliant 29 CFR 1910.30	Angled Handle	0000000	0000000
Paved	75-141	28"-42"	7 1/2"	2 3/4"	Painted Steel	Safety Yellow	OSHA Compliant 29 CFR 1910.110, OSHA Compliant 29 CFR 1910.111, OSHA Compliant 29 CFR 1910.30	Angled Handle	0000000	000000
Double Chock
Exposed	75-141	28"-42"	5"	2"	Painted Steel	Safety Yellow	OSHA Compliant 29 CFR 1910.110, OSHA Compliant 29 CFR 1910.111, OSHA Compliant 29 CFR 1910.30	Angled Handle	0000000	000000
Exposed	90-141	26"-48"	11 1/2"	4 3/4"	Polyurethane Plastic	Safety Yellow	OSHA Compliant 29 CFR 1910.110, OSHA Compliant 29 CFR 1910.111, OSHA Compliant 29 CFR 1910.30	Angled Handle	0000000	000000
Paved	75-141	28"-42"	5"	2"	Painted Steel	Safety Yellow	OSHA Compliant 29 CFR 1910.110, OSHA Compliant 29 CFR 1910.111, OSHA Compliant 29 CFR 1910.30	Angled Handle	0000000	000000

Chocks with Red/White Flag

For Rail
Style	Size, lbs. per 3 ft.	For Wheel Dia.	Lg.	Ht.	Material	Color	Specifications Met	Distance Between Chock and Flag		Each
Single Chock
Exposed	75-141	28"-42"	7 1/2"	2 3/4"	Painted Steel	Safety Yellow	OSHA Compliant 29 CFR 1910.110, OSHA Compliant 29 CFR 1910.111, OSHA Compliant 29 CFR 1910.30	17"	000000	0000000
Paved	75-141	28"-42"	7 1/2"	2 3/4"	Painted Steel	Safety Yellow	OSHA Compliant 29 CFR 1910.110, OSHA Compliant 29 CFR 1910.111, OSHA Compliant 29 CFR 1910.30	17"	000000	000000
Double Chock
Exposed	75-141	28"-42"	5"	2"	Painted Steel	Safety Yellow	OSHA Compliant 29 CFR 1910.110, OSHA Compliant 29 CFR 1910.111, OSHA Compliant 29 CFR 1910.30	17"	000000	000000
Paved	75-141	28"-42"	5"	2"	Painted Steel	Safety Yellow	OSHA Compliant 29 CFR 1910.110, OSHA Compliant 29 CFR 1910.111, OSHA Compliant 29 CFR 1910.30	17"	000000	000000

Railcar Wheel Stops

Foldable Wheel Stop Shown on Rail

Wheel Stop Shown on Rail (Sold in Pairs)

Stop moving railcars at track ends and as they approach buildings and doors.

Foldable wheel stops swing down to the outside of the rail when not in use. You’ll need a left and right stop for a complete pair. They come with a padlock to keep them in the upright or lowered position, preventing unauthorized use. Bolt these stops onto your rail after drilling four 1 1/16″ holes into the rail web.

Nonfoldable wheel stops clamp to a rail, so no drilling is required for installation.

			For Rail
Foldable	Folding Direction	Ht. Above Rail	Style	Size, lbs. per 3 ft.	For Wheel Dia.	For Max. Impact Speed, mph	Material	Includes		Each
Yes	Right	16 1/2"	Exposed	85-141	28"-40"	2	Steel	Padlock	00000000	0000000
Yes	Left	16 1/2"	Exposed	85-141	28"-40"	2	Steel	Padlock	00000000	000000
										Pair
No	__	13 1/2"	Exposed	85-141	28"-40"	2	Iron	__	0000000	00000000

Magnetic Railcar Wheel Chocks

To firmly hold railcar wheels in place, these chocks have magnets on the back for extra grip on rail tracks. Use them to keep railcar wheels stationary during loading, unloading, and servicing.

Retrieval hooks (sold separately) attach to the chock, so you can remove and place it without bending down.

For technical drawings and 3-D models, click on a part number.

Wheel Chocks

For Rail
Style	Size, lbs. per 3 ft.	For Wheel Dia.	Lg.	Ht.	Material	Color	Specifications Met		Each
Single Chock
Curved, Exposed, Paved, Single	75-141	28"-42"	11"	3 5/8"	Polyurethane Plastic	Orange	OSHA Compliant 29 CFR 1910.178	0000000	000000

Retrieval Hooks

Wheel Chock Sold Separately

Lg.	Wd.	Ht.	Material		Each
4 3/4"	1 3/4"	30"	Steel	0000000	000000

Railcar Stoppers

Bring slow-moving railcars to a halt. These stoppers have a chock at the end of a handle that you can place and remove in front of a wheel several times to absorb its momentum. They can hold a wheel in place until you install a permanent chock. After you’ve positioned a car with a railcar mover, they’re great for stopping it at an exact location. Use them to guide railcars to scale checks, repair shops, and loading zones. These stoppers are for use on flat track only.

For technical drawings and 3-D models, click on a part number.

For Rail							Handle
Style	Size, lbs. per 3 ft.	For Wheel Dia.	Lg.	Ht.	Material	Color	Ht.	Material	Specifications Met		Each
Curved, Exposed, Paved, Single	75-141	28"-44"	10 1/4"	5 3/4"	Polyurethane Plastic	Safety Yellow	59"	PVC Plastic	OSHA Compliant 29 CFR 1910.110, OSHA Compliant 29 CFR 1910.111, OSHA Compliant 29 CFR 1910.30	0000000	0000000