2026 Diamond C SDX312 50' (40+10) x 102" XDR
- Year 2026
- Make Diamond C
- Model SDX312
2026 Diamond C SDX312 50' (40+10) x 102" XDR
2026 Diamond C SDX312 50' (40+10) x 102" XDR
This monster of a trailer is outfitted with triple 12K axles, an 18" low profile Engineered Beam frame, and GVWR up to 40,000 lb.
Features may include:
XDR Ramps- These 24" x 60" spring-assisted extreme duty knee ramps are perfect for loading concentrated machines such as backhoes and excavators where space between the ramps is a necessity for knuckle height clearance.
Dimensions
Length
50'
Width
102"
Coupling
2-5/16" Ball - 30,000 lb Square Adjustable
Capacities
Axle Capacity, Rear
12,000 lb Heavy Duty, Oil Bath
Storage Capacity
Lockable Neck Storage Box, 14" x 14" x 42" Underslung Box
Weights
GVWR
30,000 lb
Chassis
Chassis
Crossmembers: 3" I-Beam on 16" Centers w/ Formed Gussets
Mainframe
18" Engineered Beam 2.0
Axle Count
3
Wheels & Tires
Tires, Rear Specification
235/80R16 14 Ply Radial, Dually
Color
Colors
Onyx Black | Artic White | Scarlet Red | Cement Gray | Carbon Metallic Gray | Platinum Silver Metallic | Mocha Metallic | Dynamic Blue Metallic
Features
Features
Dove: 60" Dovetail with 2" x 2" x 1/8" Angle Cleats (XDR Ramps) | Pull Type: 10' Step Deck w/ Slide-In Ramps | Jack: 2 - 25,000 lb Two Speed Drop-Leg Jacks | Floor: 2" Treated Lumber | Winch: Winch Mounting Plate | Lace Rail: 6" Channel Lace Rail | Stake Pockets: 2" x 3/8" Rub Rail w/ Stake Pockets & Pipe Spools | Steps: Front Retractable & Mid-Turn | Spare Mount: Under-Mount Spare Tray | Sway Control: Sway Control Pipe Standard
Suspension
Suspension
Slipper Roller HD
Lights and Safety
Lighting
All LED Lights
Harness
Sealed Wiring Harness
Brakes
Brake System Type
Electric Drum