About these items:1300LBS Engine Stand: This heavy-duty engine stand has been rigorously tested to safely hold up to 1300 lbs (3/5 Ton) of engine weight. The upgraded U-shaped base provides enhanced stability, preventing any shaking or tilting. Constructed from alloy steel and cast iron, it resists deformation and rust, ensuring durability. The mounting arms are equipped with 1.1" long hex head bolts, providing a secure grip, while the 360° rotatable arms make the stand versatile for easy maintenance. Additionally, it features four 360° universal wheels, with two equipped with brakes, ensuring easy mobility and positioning.750LBS Engine Stand: With a max load capacity of 750 lbs (3/8 Ton), this engine stand is perfect for engine maintenance and repair work. It has an upgraded H-shaped base for enhanced stability, along with alloy steel and cast iron construction to resist deformation. The 1.1" hex head bolts secure the engine block tightly, and the adjustable mounting arms rotate 360° for easy access. The stand features two fixed wheels and two 360° universal wheels, one with a brake, ensuring effortless movement and positioning.1500LBS Engine Stand: This heavy-duty engine stand is designed to support engines up to 1500 lbs (3/4 Ton). Its H-shaped base and electrostatic spraying surface enhance its stability and rust resistance. The 360° rotatable mounting arms, combined with 5 universal wheels (4 with brakes), make it easy to move and position. It also features a unique foldable design, which helps save space when not in use, making it an ideal choice for those with limited storage space. With high-quality steel and cast iron components, it offers long-term reliability.Key Differences:Max Load Capacity: The 1300LBS stand holds up to 1300 lbs, the 750LBS stand supports 750 lbs, and the 1500LBS stand holds up to 1500 lbs, making the 1500LBS stand the strongest of the three.Base Design: The 1300LBS stand uses a U-shaped base, while the 750LBS and 1500LBS stands use an H-shaped base for added stability.Wheels: The 1300LBS engine stand has four 360° universal wheels (two with brakes), the 750LBS stand has two fixed wheels and two 360° wheels (one with a brake), and the 1500LBS stand has five 360° universal wheels (four with brakes) for superior mobility.Storage Feature: The 1500LBS engine stand has a foldable design for easy storage, which the other two models lack.Weight: The 1300LBS stand weighs 50.7 lbs, the 750LBS stand weighs 41.4 lbs, and the 1500LBS stand is the heaviest at 62.2 lbs.Specifications:1300LBS Engine StandProduct Dimensions: 27.6 x 36.2 x 36.6 in / 700 x 920 x 930 mmNet Weight: 50.7 lbs / 23 kgMax. Load Capacity: 1300 lbs / 590 kgMaterial: SteelIncludes: 8 Bolts, 14 Washers, 14 Nuts, 14 Spring Washers, 1 Lock Pin, 2 Brake Wheels, 2 No Brake Wheels, 2 End Covers750LBS Engine StandProduct Dimensions: 27.6 x 33.3 x 33.3 in / 700 x 845 x 845 mmNet Weight: 41.4 lbs / 18.8 kgMax. Load Capacity: 750 lbs / 340 kgMaterial: SteelIncludes: 10 Bolts, 12 Washers, 12 Nuts, 12 Spring Washers, 1 Lock Pin, 3 Brake Wheels, 1 No Brake Wheel, 2 End Covers1500LBS Engine StandProduct Dimensions: 29.5 x 33.5 x 35.4 in / 750 x 850 x 900 mmNet Weight: 62.2 lbs / 28.2 kgMax. Load Capacity: 1500 lbs / 680 kgMaterial: SteelIncludes: 28 Bolts, 34 Washers, 14 Nuts, 34 Spring Washers, 20 M8 Hex Nuts, 4 Cross Flat Head Bolts, 3 Lock Pins, 2 R-Springs, 4 Brake Wheels, 1 No Brake Wheel, 4 End CoversPackage Contents:1300LBS Engine Stand8 x Bolts14 x Washers14 x Nuts14 x Spring Washers1 x Lock Pin2 x Brake Wheels2 x No Brake Wheels2 x End Covers750LBS Engine Stand10 x Bolts12 x Washers12 x Nuts12 x Spring Washers1 x Lock Pin3 x Brake Wheels1 x No Brake Wheel2 x End Covers1500LBS Engine Stand28 x Bolts34 x Washers14 x Nuts34 x Spring Washers20 x M8 Hex Nuts4 x Cross Flat Head Bolts3 x Lock Pins2 x R-Springs4 x Brake Wheels1 x No Brake Wheel4 x End Covers750 Lbs (3/8 Ton), 4-caster