Auction Details for 1978 Caterpillar 631D
Category: Off-Highway Water Trucks
Year: 1978
Manufacturer: Caterpillar
Model: 631D
Description: Open Operator Station, Mega Tank, Rear Spray, Side Spray, Hydraulic Driven Water Pump, Auto Lube, 33.25-35 Tires, Fast Fuel System
Sold for $2,000
- Auction Company: Ritchie Bros. Auctioneers
- Auction Date: 2025-03-11
- Auction Site: Lake Worth, TX

