Diesel Exhaust Fluid Trailer (DEF)

Up to 990 Gallons of ISO-Compliant DEF Handling

Thunder Creek’s Bulk Diesel Exhaust Fluid (DEF) Trailer is purpose-built for clean, fully enclosed DEF handling in off-road environments, preventing costly damage to SCR systems. Each trailer is engineered to strictly maintain DEF purity in accordance with ISO 22241 standards. Boasting a 990-gallon capacity and optional high-capacity pump meters, it offers a streamlined way to deliver – and reclaim – DEF wherever it’s needed.

Overview

The Thunder Creek DEF Trailer provides a large, 990-gallon capacity tank to supply clean diesel exhaust fluid for heavy machinery. By minimizing contamination, it significantly reduces the risk of engine complications and extends equipment life. Its fully enclosed pumping and dispensing system adheres to strict ISO standards, ensuring diesel exhaust fluid stays pure from fill-up through delivery.

  • Holds 990 gallons of DEF in a rugged, 7-gauge steel tank
  • Maintains strict ISO 22241 compliance to protect sensitive Tier-4 SCR systems
  • Enclosed pumping system with industrial-grade components
  • Safely tows on highways or off-road job sites
  • Optional upgrades for higher flow, metering, and integrated heating

Diesel Exhaust Fluid Trailer (DEF) Models

Thunder Creek’s DEF Trailer lineup focuses on a single 990-gallon capacity model, with many optional pumping and trailer upgrades available.

DEF990

Diesel Exhaust Fluid Trailer (DEF)

Holds 990 gallons of diesel exhaust fluid in a 7-gauge stainless steel tank. Strictly adheres to DEF purity guidelines and can be outfitted with optional high-capacity pumps, meters, or a rear utility box.

  • 990-gallon DEF capacity
  • 7-gauge steel tank with offset baffles
  • Dual 7,000 lb. torsion axles & electric brakes
  • 16″ 10-ply tires on 8-bolt hubs
  • 14’7″ (L) x 6’11” (W) x 5’8″ (H); 4,100 lbs. dry weight

Each DEF Trailer is built with a robust pumping system, a specially engineered DEF tank, and a sturdy trailer frame. These standard elements work together to safeguard fluid integrity and ensure trouble-free towing and operation.

Standard Features Bulleted List

  • 12V DEF Pumping System: 25′ auto-retracting hose reel, interchangeable auto-trip nozzle, Micro-Matic® coupler
  • 7-Gauge Steel Tank Construction: Double-welded seams with a pressure-activated vent and 2″ Dry-Lock fill port
  • Heavy-Duty Trailer Frame: 6″ formed steel frame, torsion axles, electric brakes, 16″ 10-ply tires, DOT-approved lighting

These optional add-ons let you customize the DEF Trailer’s performance – whether you need extra pumping power, specialized metering, or improved towing and service features.

Optional Features Bulleted List

  • 14-Ply Tires (Load Range G)
  • 50′ DEF Hose Reel Upgrade for extended reach
  • Aluminum Wheels for reduced weight and added style
  • Auxiliary Oil System (30-gallon poly tank & 12V pump)
  • Custom Paint Colors (black, white, red, green, etc.)
  • Electric/Hydraulic Jack for push-button trailer leveling
  • Solar Battery Maintainer (30 watt panel & controller)
  • Spare Tire Kit (standard or 14-ply)
  • Spill Containment Kit for quick cleanup of minor spills
  • WorkSight Light Tower (LED lights & integrated charger)