[{"id":341324660927,"handle":"500-1000","title":"$500 to $1,000","updated_at":"2026-07-21T14:40:53-04:00","body_html":null,"published_at":"2025-03-18T10:40:58-04:00","sort_order":"alpha-asc","template_suffix":null,"disjunctive":false,"rules":[{"column":"variant_price","relation":"greater_than","condition":"499.99"},{"column":"variant_price","relation":"less_than","condition":"1000.0"}],"published_scope":"web"},{"id":87442325539,"handle":"all","title":"All","updated_at":"2026-07-21T16:02:28-04:00","body_html":"","published_at":"2019-05-25T23:46:42-04:00","sort_order":"best-selling","template_suffix":"","disjunctive":false,"rules":[{"column":"variant_price","relation":"greater_than","condition":"100"}],"published_scope":"global","image":{"created_at":"2020-03-13T16:56:33-04:00","alt":null,"width":460,"height":391,"src":"\/\/ca.pittsburghsprayequip.com\/cdn\/shop\/collections\/PerformerES-1.jpg?v=1584132994"}},{"id":82843140131,"handle":"best-selling-products","title":"Best Selling Products","updated_at":"2026-07-21T16:02:28-04:00","body_html":"","published_at":"2019-03-07T16:04:09-05:00","sort_order":"best-selling","template_suffix":"","disjunctive":true,"rules":[{"column":"title","relation":"contains","condition":"Best Selling"},{"column":"title","relation":"not_contains","condition":"Best Selling"}],"published_scope":"web","image":{"created_at":"2019-10-14T12:11:24-04:00","alt":null,"width":2160,"height":2160,"src":"\/\/ca.pittsburghsprayequip.com\/cdn\/shop\/collections\/20191015_001027_0000.png?v=1571069485"}},{"id":358065799359,"handle":"black-friday-2025","title":"Black Friday 2025","updated_at":"2026-07-21T16:02:28-04:00","body_html":"","published_at":"2025-11-24T09:35:23-05:00","sort_order":"best-selling","template_suffix":"","disjunctive":false,"rules":[{"column":"tag","relation":"not_equals","condition":"map price"}],"published_scope":"global"},{"id":341352677567,"handle":"justrite","title":"Justrite","updated_at":"2026-07-20T18:00:10-04:00","body_html":null,"published_at":"2025-03-19T01:20:35-04:00","sort_order":"best-selling","template_suffix":null,"disjunctive":false,"rules":[{"column":"vendor","relation":"equals","condition":"Justrite"}],"published_scope":"web"},{"id":296393539775,"handle":"justrite-all-products","title":"Justrite All Products","updated_at":"2026-07-20T18:00:10-04:00","body_html":"\u003cmeta charset=\"utf-8\"\u003e\u003cspan face=\"Arial\" style=\"font-family: Arial;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eJustrite leads the industry in safety storage solutions. Ther\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e comprehensive range of cabinets, containers, and safety products ensures the secure handling, storage, and disposal of hazardous materials. With decades of expertise, Justrite offers innovative designs, compliant solutions, and unmatched durability. From flammable liquids to corrosive chemicals, Their products mitigate risks and safeguard workplaces. Whether in labs, factories, or industrial settings, trust Justrite to deliver the highest standard of safety storage equipment. Prioritize safety without compromise – choose Justrite and protect what matters most.\u003c\/span\u003e","published_at":"2023-03-15T11:08:00-04:00","sort_order":"best-selling","template_suffix":"gem-1692980317-template","disjunctive":false,"rules":[{"column":"vendor","relation":"equals","condition":"Justrite"}],"published_scope":"global"},{"id":82843172899,"handle":"newest-products","title":"Newest Products","updated_at":"2026-07-21T16:02:28-04:00","body_html":"","published_at":"2019-03-07T16:04:10-05:00","sort_order":"created-desc","template_suffix":"","disjunctive":true,"rules":[{"column":"title","relation":"contains","condition":"Newest"},{"column":"title","relation":"not_contains","condition":"Newest"}],"published_scope":"web","image":{"created_at":"2019-10-14T12:00:36-04:00","alt":null,"width":2160,"height":2160,"src":"\/\/ca.pittsburghsprayequip.com\/cdn\/shop\/collections\/binks-2100-right-side-3-4-1_grande_4aeedb33-d516-4ea9-85f9-50e72154176c.jpg?v=1571069397"}},{"id":82840879139,"handle":"safety-equipment","updated_at":"2026-07-20T18:00:10-04:00","published_at":"2019-03-07T14:57:50-05:00","sort_order":"best-selling","template_suffix":"","published_scope":"global","title":"Safety Equipment","body_html":"","image":{"created_at":"2020-03-16T11:19:53-04:00","alt":null,"width":400,"height":346,"src":"\/\/ca.pittsburghsprayequip.com\/cdn\/shop\/collections\/3500227_P_1fdcd5f7-ab0c-4840-864a-fb05615942ee.jpg?v=1584371993"}},{"id":359335821503,"handle":"holiday-vip-sale","title":"VIP Holiday Sale","updated_at":"2026-07-21T16:02:28-04:00","body_html":"","published_at":"2025-12-12T07:31:08-05:00","sort_order":"best-selling","template_suffix":"","disjunctive":false,"rules":[{"column":"tag","relation":"not_equals","condition":"map price"}],"published_scope":"global"}]
Feel free to call or chat with us for recommendations.
📦Shipping times may vary contact us for more information
🚚
Free Shipping on orders $500 and up., some items have a optional lift gate for a additional fee
Flat rate of $12.50 for orders below $500.
Click here for more info.
The Checkers™ heavy-duty MC3012 wheel chocks for ground vehicles are manufactured with highly durable, lightweight high-density polyethylene (HDPE) and they feature a larger base that makes them ideal for use with heavy equipment such as haul trucks, loaders, and cranes. MC3012 wheel chocks are for mine haul trucks with tire sizes up to 142" (241.3 cm) in diameter and gross vehicle operating weight up to 855,000 lbs. (725,748 kg). A maximum rated payload of 240 tons. This chock is designed for normal haul road grades.
Rated for vehicles with a gross operating weight up to 855,000 lbs., and tire sizes up to 142 in. diameter
Maximum rated payload of 240 tons
Resistant to oils, fuels, and solvents
Approved and being used by Caterpillar and mines worldwide
Optional studs available for snow and ice
Barcode imprinted on back of chock
ANSI compliant color guidelines on proper chocking and wheel chock placement in English
Meets MSHA specifications
Molded-in "How to Use" guidelines in English
Safety yellow color
Recessed carrying handle on the backside of the chock
Replaceable rubber anti-slip traction pads
Mounting hole for ropes, chains or brackets
WARNING: This product can expose you to chemicals including Carbon Black, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov..
Specifications
Model No
MC3012
UPC
812542020039
Brand
Checkers Safety™
${{amount}}
Recently Viewed Products
choosing a selection results in a full page refresh
press the space key then arrow keys to make a selection
Your Cart
Loading…
Join us and Save 5% on your first order
As a subscriber you will receive the following perks:
- Advanced notice of deals and promotions
- Helpful content on equipment use, selection, and more
- Exciting new product annoucements
How to get 5% off
Just enter your email and will send the coupon code to your email.
Apply that code to receive your discount*
* Promo only valid for first purchase, promo is non transferrable, promo doesn't apply to all items
Join us and Save 5% on your first order
As a subscriber you will receive the following perks:
- Advanced notice of deals and promotions
- Helpful content on equipment use, selection, and more
- Exciting new product annoucements
How to get 5% off
Just enter your email and will send the coupon code to your email.
Apply that code to receive your discount*
* Promo only valid for first purchase, promo is non transferrable, promo doesn't apply to all items
Join us and Save 5% on your first order
As a subscriber you will receive the following perks:
- Advanced notice of deals and promotions
- Helpful content on equipment use, selection, and more
- Exciting new product annoucements
How to get 5% off
Just enter your email and will send the coupon code to your email.
Apply that code to receive your discount*
* Promo only valid for first purchase, promo is non transferrable, promo doesn't apply to all items
Shipping and Returns
Shipping should be simple
We offer free shipping on orders over $80, less than $80 we charge a single flat rate fee of $8.50
Our primary carriers include UPS and USPS and for large items a variety of freight carriers.
Please note for certain product categories particularly filters there is at times an additional charge for shipping.
Shipping policy exceptions
Not all products qualify for free shipping.
No-Hassle Returns
Except as otherwise described below, if you are not satisfied for any reason products may be returned within 30 days of shipment for a full credit or exchange (if the product is undamaged). When you make your return, you’ll need to note credit or exchange. Returned items must be in the original packaging. To initiate a return you can contact us via phone and we can coordinate the return with you.
If you have questions please contact us at 866 373 5658
Shipping and Returns
Shipping should be simple
We offer free shipping on orders over $80, less than $80 we charge a single flat rate fee of $8.50
Our primary carriers include UPS and USPS and for large items a variety of freight carriers.
Please note for certain product categories particularly filters there is at times an additional charge for shipping.
Shipping policy exceptions
Not all products qualify for free shipping.
No-Hassle Returns
Except as otherwise described below, if you are not satisfied for any reason products may be returned within 30 days of shipment for a full credit or exchange (if the product is undamaged). When you make your return, you’ll need to note credit or exchange. Returned items must be in the original packaging. To initiate a return you can contact us via phone and we can coordinate the return with you.
If you have questions please contact us at 866 373 5658
Shipping and Returns
Shipping should be simple
We offer free shipping on orders over $80, less than $80 we charge a single flat rate fee of $8.50
Our primary carriers include UPS and USPS and for large items a variety of freight carriers.
Please note for certain product categories particularly filters there is at times an additional charge for shipping.
Shipping policy exceptions
Not all products qualify for free shipping.
No-Hassle Returns
Except as otherwise described below, if you are not satisfied for any reason products may be returned within 30 days of shipment for a full credit or exchange (if the product is undamaged). When you make your return, you’ll need to note credit or exchange. Returned items must be in the original packaging. To initiate a return you can contact us via phone and we can coordinate the return with you.
WARNING: This product can expose you to chemicals including Carbon Black, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov..