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When you need excellence. When you need innovation. When you need exceptional service and competitive pricing. Don’t compromise… Demand Double HH Manufacturing!
Over 50 years ago, Double HH innovated the first hitchpin with a heavy-duty, red plastisol coated head and wide grip handle. Today we’re still connecting customers with the same high quality hitchpins – along with a wide variety of reliable custom-machined equipment components and a full line of stock ag equipment components.
Double HH is proud to serve a wide variety of manufacturing industries and partners: agricultural, industrial, heavy-duty trucks, vehicle hitch manufacturers, metal fabricators and much more.
Located in Rock Valley, Iowa, Double HH Manufacturing has established a reputation for excellence by consistently providing quality work, delivering products on schedule and exceeding customer expectations.
No matter how big or small, simple or complex – Double HH Manufacturing has the dedicated manpower, state-of-the-art equipment and dependable resources to do the job. We credit our success to hard-working employees and the community of Rock Valley – which has supported us for over 40 years.
Double HH Manufacturing is committed to providing employment and vocational training for persons with disabilities while maintaining an integrated manufacturing and machining operation which exceeds customer expectations and demands.
Located in Northwest Iowa, Double HH Manufacturing has established its reputation for excellence by consistently providing quality work, delivering products on schedule, and exceeding customer expectations. We credit our success to our invaluable, hard-working employees, and to the community of Rock Valley, which has supported us for 50 years.
The quality management system of Double HH Manufacturing is ISO 9001 certified. Documented quality procedures are followed at every operational phase from the initial order placement to Contract Machining, Fabrication, Assembly and Packaging, Manufacturer and Distributor of Hitchpins, Hardware, Agricultural Equipment Components and Non-Threaded Fasteners. You can be assured of our commitment to superior quality, manufacturing and final shipment.
Double HH Hitchpins with red plastisol coated head/handle are warranted by Double HH Manufacturing and will be replaced if defective due to material or workmanship for life of the hitchpin.
EXCLUSIONS: Normal wear, damage caused by improper use or accident, damage to head or handle, and finishes (shank coating and plastic cover). Hitchpins subject to replacement within the terms stated are to be returned to Double HH Manufacturing (POSTPAID).
Replacement or credit will be made on hitchpins found to be defective (upon factory inspection) in material or workmanship.
Double HH Manufactured PRODUCTS are warranted by Double HH Manufacturing for a period of one year after date of retail purchase.
EXCLUSIONS: Normal wear, damage caused by improper use or accident, and finishes (paint, plating, etc.). Manufactured products (such as cylinder pins, 3-pt hitch components, and stainless safety clips) subject to replacement within the terms stated are to be returned to Double HH Manufacturing (POSTPAID). Replacement or credit will be made on components found to be defective (upon factory inspection) in material or workmanship.
IMPORTANT: Double HH Manufacturing utilizes a number of suppliers and manufacturers from foreign countries for many products. The country(s) of origin are noted on each package label. Double HH Hitchpins (red plastisol coated head/handle) and Lockease Hitchpins are manufactured exclusively in the United States.
Double HH is located in Rock Valley, IA.
Three-point hitch and linkage parts are used in the attachment of three-point hitch implements to the rear of agricultural wheeled tractors. Components are available for most Category 0, 1, 2 and 3 hitches. Tractor hitches are classified by the drawbar horsepower of the tractor as shown in the table below.
| HITCH CATEGORY | MAXIMUM DRAWBAR HORSEPOWER | TOP LINK PIN DIAMETER | LIFT ARM PIN DIAMETER |
| Category 0 | Up to 20 Horsepower | 5/8″ | 5/8″ |
| Category 1 | 20 Horsepower to 45 Horsepower | 3/4″ | 7/8″ |
| Category 2 | 40 Horsepower to 100 Horsepower | 1″ | 1-1/8″ |
| Category 3 | 80 Horsepower to 225 Horsepower | 1-1/4″ | 1-7/16″ |
Documents on Conflict Materials, REACH Statements and Terms for Standard Purchase Orders are available in pdf format with the links below.
Don’t Compromise, Demand Double HH.
Original Manufacturer of the Hitchpin with the Red Plastisol Coated Head and Handle.