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

Ranco LW21-40SG – Bottom Dump, 40 ft, Tandem Axle

Ranco LW21-40SG is a Bottom Dump 40 ft tandem axle belly dump trailer with 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
• Length: 40 ft
• Switchgate: Yes. Allows for switching between windrow (narrow pile) and laydown (spread) positions

Tub Construction

• Structure: High-strength steel (often AR250) with 80k/100k PSI yield strength

Hydraulics & Control

• Versa Valve: for infinite gate control

Axles & Suspension

• 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
• Front and Rear Fenders: bolt-on
• Push Block: removable/bolt-on
• Windrow Deflector
• LED Lights
• Tarp: Electric Flip Tarp