Hamilton ZFSEC2 Spinfinity Super Endurance Dual Series – Extra Heavy Duty
Capacity Range: 4000 – 6000 lbs.
The Spinfinity® Super Endurance Dual Caster (ZFSEC2) Series redefines kingpinless caster design for extra heavy-duty applications. Engineered for rugged environments, these dual-wheel casters offer superior stability, unmatched durability, and completely maintenance-free operation. Featuring a sealed swivel construction with an innovative V-Style seal, they provide robust protection against dirt, debris, and moisture. Paired with sealed precision ball wheel bearings, the ZFSEC2 Series ensures zero-maintenance, reliable performance in the toughest conditions.
Hamilton ZFSEC2 Spinfinity Super Endurance Dual Series – Extra Heavy Duty
Capacity Range: 4000 – 6000 lbs.
The Spinfinity® Super Endurance Dual Caster (ZFSEC2) Series redefines kingpinless caster design for extra heavy-duty applications. Engineered for rugged environments, these dual-wheel casters offer superior stability, unmatched durability, and completely maintenance-free operation. Featuring a sealed swivel construction with an innovative V-Style seal, they provide robust protection against dirt, debris, and moisture. Paired with sealed precision ball wheel bearings, the ZFSEC2 Series ensures zero-maintenance, reliable performance in the toughest conditions.
ZFSEC2 Series Features & Specs.
- Swivel Construction
Forged steel top plate and fork base; 3/8″ x 3″ precision laser cut steel legs welded inside and outside to forged steel horn base. - Load Bearing
3 5/8″ diameter CNC-machined and hardened raceway with 1/2″ balls. - Sealed Swivel Construction
The forged ring is CNC-machined with a v-shaped seal made from FKM elastomer to retain grease and keep contaminants out. Zero Fix Spinfinity® = Maintenance-Free. - Product Finish
Powder Coated – Caster rigs are powder coated with Hamilton’s Platinum Powder, a metallic HAA Polyester providing a premium look and excellent durability for both interior and exterior environments. - Axle
3/4″ diameter hex head with lock nut.
| Thumbnail | Name | Capacity | Wheel Diameter | Wheel Tread Core | Wheel Color | Wheel Bearing | Buy |
|---|---|---|---|---|---|---|---|
 | S-ZFSEC2-83DB | 4500 lb | 8 | Polyurethane on Cast Iron | Green Poly on Gray Center | Precision Sealed Ball | |
 | S-ZFSEC2-63SWC95 | 4700 lb | 6 | Polyurethane on Aluminum | Grey Tread on Alum Center | Precision Sealed Ball | |
 | S-ZFSEC2-63DB70 | 5200 lb | 6 | Polyurethane on Cast Iron | Black Poly on Gray Center | Precision Sealed Ball | |
 | R-ZFSEC2-83GB95 | 6000 lb | 8 | Polyurethane on Cast Iron | Gray Poly on Black Center | Precision Sealed Ball | |
 | R-ZFSEC2-83DB | 4500 lb | 8 | Polyurethane on Cast Iron | Green Poly on Gray Center | Precision Sealed Ball | |
 | R-ZFSEC2-63FSB | 6000 lb | 6 | Steel | Clearcoat | Precision Sealed Ball | |
 | R-ZFSEC2-13FSB | 6000 lb | 10 | Steel | Clearcoat | Precision Sealed Ball | |
 | R-ZFSEC2-13DB | 5400 lb | 10 | Polyurethane on Cast Iron | Green Poly on Gray Center | Precision Sealed Ball | |
 | R-ZFSEC2-12GB95 | 6000 lb | 12 | Polyurethane on Cast Iron | Gray Poly on Black Center | Precision Sealed Ball | |
 | S-ZFSEC2-83GB95 | 6000 lb | 8 | Polyurethane on Cast Iron | Gray Poly on Black Center | Precision Sealed Ball | |
 | S-ZFSEC2-13DB70 | 6000 lb | 10 | Polyurethane on Cast Iron | Black Poly on Gray Center | Precision Sealed Ball | |
 | S-ZFSEC2-13DB | 5400 lb | 10 | Polyurethane on Cast Iron | Green Poly on Gray Center | Precision Sealed Ball | |
| S-ZFSEC2-12DB70 | 6000 lb | 12 | Polyurethane on Cast Iron | Black Poly on Gray Center | Precision Sealed Ball | |
 | R-ZFSEC2-83SWC95 | 6000 lb | 8 | Polyurethane on Aluminum | Grey Tread on Alum Center | Precision Sealed Ball | |
 | R-ZFSEC2-63SWC85 | 4000 lb | 6 | Polyurethane on Aluminum | Blue Tread on Alum Center | Precision Sealed Ball | |
 | R-ZFSEC2-13DB70 | 6000 lb | 10 | Polyurethane on Cast Iron | Black Poly on Gray Center | Precision Sealed Ball | |
 | S-ZFSEC2-63FSB | 6000 lb | 6 | Steel | Clearcoat | Precision Sealed Ball | |
 | S-ZFSEC2-63DB | 4000 lb | 6 | Polyurethane on Cast Iron | Green Poly on Gray Center | Precision Sealed Ball | |
 | S-ZFSEC2-13FSB | 6000 lb | 10 | Steel | Clearcoat | Precision Sealed Ball | |
| S-ZFSEC2-12DB | 6000 lb | 12 | Polyurethane on Cast Iron | Green Poly on Gray Center | Precision Sealed Ball | |
 | R-ZFSEC2-63GB95 | 5400 lb | 6 | Polyurethane on Cast Iron | Gray Poly on Black Center | Precision Sealed Ball | |
 | R-ZFSEC2-63DB | 4000 lb | 6 | Polyurethane on Cast Iron | Green Poly on Gray Center | Precision Sealed Ball | |
 | S-ZFSEC2-83SWC95 | 6000 lb | 8 | Polyurethane on Aluminum | Grey Tread on Alum Center | Precision Sealed Ball | |
 | S-ZFSEC2-83SWC85 | 5000 lb | 8 | Polyurethane on Aluminum | Blue Tread on Alum Center | Precision Sealed Ball | |
 | S-ZFSEC2-83DB70 | 6000 lb | 8 | Polyurethane on Cast Iron | Black Poly on Gray Center | Precision Sealed Ball | |
 | R-ZFSEC2-83SYB | 6000 lb | 8 | Polyurethane on Cast Iron | Thick Blue Poly on Gray Center | Precision Sealed Ball | |
 | R-ZFSEC2-83SWC85 | 5000 lb | 8 | Polyurethane on Aluminum | Blue Tread on Alum Center | Precision Sealed Ball | |
 | R-ZFSEC2-83NYB | 6000 lb | 8 | Nylon | Charcoal gray | Precision Sealed Ball | |
 | R-ZFSEC2-83FSB | 6000 lb | 8 | Steel | Clearcoat | Precision Sealed Ball | |
 | R-ZFSEC2-63SWF70D | 5600 lb | 6 | Polyurethane on Aluminum | Black Tread on Alum Center | Precision Sealed Ball | |
 | S-ZFSEC2-83SYB | 6000 lb | 8 | Polyurethane on Cast Iron | Thick Blue Poly on Gray Center | Precision Sealed Ball | |
 | S-ZFSEC2-83NYB | 6000 lb | 8 | Nylon | Charcoal gray | Precision Sealed Ball | |
 | S-ZFSEC2-83FSB | 6000 lb | 8 | Steel | Clearcoat | Precision Sealed Ball | |
 | S-ZFSEC2-63NYB | 6000 lb | 6 | Nylon | Charcoal gray | Precision Sealed Ball | |
 | S-ZFSEC2-63GB95 | 5400 lb | 6 | Polyurethane on Cast Iron | Gray Poly on Black Center | Precision Sealed Ball | |
 | S-ZFSEC2-13NYB | 6000 lb | 10 | Nylon | Charcoal gray | Precision Sealed Ball | |
 | R-ZFSEC2-63SWC95 | 4700 lb | 6 | Polyurethane on Aluminum | Grey Tread on Alum Center | Precision Sealed Ball | |
 | R-ZFSEC2-63DB70 | 5200 lb | 6 | Polyurethane on Cast Iron | Black Poly on Gray Center | Precision Sealed Ball | |
 | R-ZFSEC2-13NYB | 6000 lb | 10 | Nylon | Charcoal gray | Precision Sealed Ball | |
| R-ZFSEC2-12DB | 6000 lb | 12 | Polyurethane on Cast Iron | Green Poly on Gray Center | Precision Sealed Ball | |
 | S-ZFSEC2-83SYB70 | 6000 lb | 8 | Polyurethane on Cast Iron | Thick Black Poly on Gray Center | Precision Sealed Ball | |
 | S-ZFSEC2-83SWF70D | 6000 lb | 8 | Polyurethane on Aluminum | Black Tread on Alum Center | Precision Sealed Ball | |
 | S-ZFSEC2-63SWF70D | 5600 lb | 6 | Polyurethane on Aluminum | Black Tread on Alum Center | Precision Sealed Ball | |
 | S-ZFSEC2-63SWC85 | 4000 lb | 6 | Polyurethane on Aluminum | Blue Tread on Alum Center | Precision Sealed Ball | |
 | R-ZFSEC2-83SYB70 | 6000 lb | 8 | Polyurethane on Cast Iron | Thick Black Poly on Gray Center | Precision Sealed Ball | |
 | R-ZFSEC2-83SWF70D | 6000 lb | 8 | Polyurethane on Aluminum | Black Tread on Alum Center | Precision Sealed Ball | |
 | R-ZFSEC2-83DB70 | 6000 lb | 8 | Polyurethane on Cast Iron | Black Poly on Gray Center | Precision Sealed Ball | |
 | R-ZFSEC2-63NYB | 6000 lb | 6 | Nylon | Charcoal gray | Precision Sealed Ball | |
| R-ZFSEC2-13GB95 | 6000 lb | 10 | Polyurethane on Cast Iron | Gray Poly on Black Center | Precision Sealed Ball | |
| R-ZFSEC2-12DB70 | 6000 lb | 12 | Polyurethane on Cast Iron | Black Poly on Gray Center | Precision Sealed Ball | |