Heavy Duty Square Trailer Jack – 12,000 lb Support / 10,000 lb Lift – Front Pin

Description

Heavy Duty Square Trailer Jack – 12,000 lb Support / 10,000 lb Lift | Front Pin | Spring Return | Weld-On | Part #40-412

Built to handle demanding trailer applications, this Heavy Duty 12,000 lb Square Trailer Jack delivers unmatched strength, smooth operation, and long-term reliability. Designed with a 4″ square tube body, weld-on mounting, and front pull pin, this jack is engineered for serious work trailers including goosenecks, equipment trailers, dump trailers, and agricultural trailers.

The twin thrust bearing design ensures smooth expansion and retraction, while the spring return feature allows the jack to retract quickly when released. A large 3/4″ pull pin makes operation easy even under load. Built-in grease zerk fittings simplify maintenance, ensuring long service life.

A tough exterior-grade black painted finish offers superior corrosion resistance, and the beveled shaft design removes sharp edges for added safety. A built-in footpad increases surface stability on a variety of trailer setups.

Key Features

• 12,000 lb support capacity / 10,000 lb lift capacity
• Heavy duty 4″ square weld-on body
• Front pull pin with quick spring return function
• Twin thrust bearings for smooth raising and lowering
• Grease zerks for easy maintenance
• Durable black painted finish for corrosion resistance
• Footpad included for added stability
• Includes handle and handle clip

Specifications

• Capacity: 12,000 lb support / 10,000 lb lift
• Style: Heavy Duty Square Weld-On
• Tube Size: 4″ square
• Pin: 3/4″ front pull pin
• Extended Length: 54″
• Finish: Exterior-grade black paint
• Includes: Handle + clip, footpad
• Reference #: 40-412

Ideal For: Equipment trailers, dump trailers, gooseneck trailers, commercial trailers, and agricultural applications.