The Bloc 4500 DEF Dual Compartment Double Wall Tank offers secure, regulatory-compliant dual fluid storage—perfect for diesel fuel and Diesel Exhaust Fluid (DEF)—serving fleet operations, construction, agriculture, and other demanding industrial environments. This tank blends advanced engineering, DEF-grade protection, and practical mobility in one compact footprint.

Features and Benefits:

• Capacity: Diesel compartment safe fill level of 4,500 litres (approx. 1,189 US gallons); DEF compartment typically offers a capacity in the 800–1,100 litre range (confirm with supplier for exact DEF volume)
• Dual Compartment Design: Separate internal tanks for diesel and DEF—diesel side utilizes robust double-wall steel, while the DEF side features a corrosion-resistant Grade 304 stainless steel tank lined with a thermal insulation barrier to maintain DEF purity
• Dimensions & Weight: Length: 2,774mm (109in) / Width: 2,274mm (90in) / Height: 1,309mm (52in) / Bare Weight: approx. 1,920kg (4,233lbs)
• Internal Baffling: Each compartment includes baffles to reduce liquid movement, improving transport safety even when partially filled

Compliance and Safety:

• Certifications: Meets UL-142, ULC-S601-14, and UN-31-A/Y safety standards, ensuring full compliance for both diesel and DEF storage and transfer
• Leak Containment: Double-wall design with an integral interstitial space in the diesel compartment; DEF tank also includes provisions for leak containment and monitoring
• DEF-Grade Components: All wetted parts in the DEF compartment are stainless steel to prevent contamination, and insulation protects DEF quality in all climates
• Maintenance: Both tank manways are accessible and removable for internal inspection, service, and cleaning; heavy-duty, lockable lids secure product and equipment
• Safety Markings: Supplied with all required DEF, diesel, and hazardous material decals for regulatory compliance

Design and Installation:

• Modular and Mobile: Features forklift pockets and certified tie-down/lifting points at each corner for straightforward site installation and relocation
• Flexible Connections: Multiple port fittings on both compartments; easy access for DEF and diesel dispensing; curved roof to prevent water pooling on top
• User-Friendly: Plug-and-pump setup allows rapid commissioning with minimal site work; sectional manway cut-outs allow hose routing for specific fueling needs (e.g., generator supply)
• Durable Finish: Premium 250–300 micron white paint as standard (custom colours available upon request) offers superior weather and corrosion resistance

Suitable For:

• Fleet fueling depots, construction sites, agriculture, mining operations, logistics, and any operation needing secure, efficient, and compliant on-site DEF and diesel storage in one footprint

Specifications:

Diesel Compartment Safe Fill Level: 4,500 litres (1,189 US gallons)
DEF Compartment: Generally 800–1,100 litres (confirm exact capacity with supplier)
Dimensions (L x W x H): 2,774 x 2,274 x 1,309 mm (109 x 90 x 52 in)
Weight (bare): approx. 1,920kg (4,233lbs)
Diesel Tank Walls: 5mm inner / 3mm outer steel
DEF Tank: Grade 304 stainless steel, insulated
Baffling: Both compartments baffled
Certifications: UL-142, ULC-S601-14, UN-31-A/Y
Paint Finish: 250–300 micron, white (custom colours available)
Transport/Handling: Forklift pockets, corner lifting/tie-down points
Maintenance Access: Removable manways, lockable pump cabinets for both sides
DEF Accessories: DEF-specific pumps, hoses, and stainless steel fittings available (confirm with supplier)

With robust dual-wall construction, DEF-grade materials, and a user-friendly, mobile design, the Bloc 4500 DEF Dual Compartment Double Wall Tank by Unity Fuel Solutions is your ultimate solution for safe, regulation-compliant storage and dispensing of diesel and DEF—ready for any application.