2026 Ranco LW21-40SG Bottom Dump — Unit RT-77

Ranco LW21-40SG – Bottom Dump, 40 ft, 21 - 23 Cubic Yards

Ranco LW21-40SG is a Bottom Dump trailer, 40 ft length and 21 - 23 Cubic Yards capacity.

Key Specs

• Year/Model: 2026 RANCO LW21-40 SG (Light Weight Switchgate)
• VIN: 1UNSD4028TR192546
• Type: Tandem Axle Belly/Bottom Dump Trailer
• Capacity: 21 - 23 Cubic Yards (approx. 21 cu yd, often rated up to 23 cu yd with boards)
• Length: 40 ft
• Switchgate: Yes

Tub Construction

• Material: High-strength steel (often AR250)
• Yield strength: 80k/100k PSI

Hydraulics & Control

• Valve: Versa Valve (for infinite gate control)
• Tarp: Electric Flip Tarp

Axles & Suspension

• Axle configuration: Tandem Axle
• Suspension: Air Ride (standard for 2026 models)

Wheels & Tires

• Wheels/Tires: Aluminum or Steel (specified as all steel in many 2026 listings) with 11R24.5 tires

Additional Features

• Pin Setting Gate Limiters: for precise gate adjustment
• Fenders: Front and Rear Fenders (bolt-on)
• Push Block: removable/bolt-on
• Windrow Deflector: Windrow Deflector

Lighting & Safety

• Lights: LED Lights