DEF Delivery
Truck Options
Because of the industry we work in, it’s difficult to find a one-size fits all approach to Diesel Exhaust Fluid (DEF) delivery solutions. At Westmor, we provide lots of different solutions for hauling DEF.
Due to our in-house design, engineering and manufacturing efforts, customization is easy. Many of our on-the-road products can be modified to add a DEF Tank, and all of our products can be built to your exact specifications.
- Flow rates from 8 – 60 gallons per minute
- Payload from 50 – 4,000 gallons
- Custom built to your specs

Saddle Tank DEF System

8 Gallons Per Minute
Conveniently transport and deliver DEF in smaller amounts using a simple system mounted to your truck frame.
- Closed DEF system to prevent contamination
- Mounted to the truck frame rails with heavy-duty brackets
- Interchangeable auto-trip nozzle and Micro-Matic® TSV fill coupler
- Weather-proof, painted stainless steel exterior with lockable door
- Designed to mount to most fuel/lube delivery trucks
OPTIONS
60-Gallon Tank Capacity
- Dimensions: 30” H x 32” W x 40” L
- Full cabinet weight: 1,145 lbs.
120-Gallon Tank Capacity
- Dimensions: 32” H x 32” W x 60” L
- Full cabinet weight: 1,790 lbs.
Underbody or In-Body DEF System

10 Gallons Per Minute
Maximize efficiency using available space on your truck to haul DEF.
- Heavy-duty components and rugged designs
- In-line turbine meter or PD meter with register
- 12 VDC pump
- Optional heating unit for cold climates
OPTIONS
50-Gallon Tank Capacity
(1) 50-gallon tank mounted under rear of truck
70-Gallon Tank Capacity
(1) 70-gallon tank installed in rear bucket box
100-Gallon Tank Capacity
(2) 50-gallon tanks mounted on each side under rear of truck
Cargo Tank DEF Systems

Medium-Flow Cargo Tank DEF Delivery
35 Gallons Per Minute
Transport large quantities of DEF and protect your componentry in a stainless steel cabinet using a dedicated tank compartment.
- Stainless steel cargo tank or tote
- MP FLOWMAX® 8 self-priming centrifugal pump
- TCS 682 piston meter
- Closed DEF system to prevent contamination
High-Flow Cargo Tank DEF Delivery
60 Gallons Per Minute
Maximize flow rates and delivery efficiency with our high-flow cargo tank system.
- Stainless steel cargo tank or tote
- Blackmer STX12200A-DEF pump
- TCS 682 piston meter
- Closed DEF system to prevent contamination
Cargo Tank DEF Systems

Medium-Flow Cargo Tank DEF Delivery
35 Gallons Per Minute
Transport large quantities of DEF and protect your componentry in a stainless steel cabinet using a dedicated tank compartment.
- Stainless steel cargo tank or tote
- MP FLOWMAX® 8 self-priming centrifugal pump
- TCS 682 piston meter
- Closed DEF system to prevent contamination
High-Flow Cargo Tank DEF Delivery
60 Gallons Per Minute
Maximize flow rates and delivery efficiency with our high-flow cargo tank system.
- Stainless steel cargo tank or tote
- Blackmer STX12200A-DEF pump
- TCS 682 piston meter
- Closed DEF system to prevent contamination
Medium-Flow & High-Flow Options

PetroDef Combo Tanker
- 500-1,000 gallon non-code stainless steel cargo tank
- 3,500-4,200 gallon DOT 406 cargo tank for refined fuels

DEF Tanker
- 2,000-4,000 gallon non-code stainless steel cargo tank
- Straight-round design
- Non-insulated, insulated or wrapped designs available
Have questions, need a quote or need something customized? Complete the form below and we will follow up shortly.
Request More Info
Truck & Trailer Services
When it comes time for inspections, maintenance, parts or repairs, we are well-equipped to serve you.
Click on any service to get more information.
From DOT inspections to meter calibrations and upgrades, Westmor has quickly become the go-to expert to help you meet compliance, and stay running smoothly all year long.
Need replacement parts? We have stock on hand–ready to ship– ranging from meters, pumps, valves, registers, and more. Same day shipping is available in many cases.
Not ready to buy new? If you need a simple repair, or a major refurbish, one of our truck service centers can help get you back up and running.