Weather Guard Transfer Tank - Rectangle - Black - 100 gal

When your operation demands absolute maximum fuel capacity in a traditional rectangular configuration combined with contemporary professional styling, the WEATHER GUARD Model 358-5-02 Steel Transfer Tank delivers professional-grade performance with a full 100-gallon capacity in a sleek gloss black finish. This substantial automotive accessory provides the ultimate solution for diesel fuel and hydraulic fluid transport, offering twice the capacity of standard 50-gallon tanks in a rectangular design that fits efficiently in full-size pickup truck beds without wrapping around toolboxes. For operations with the highest fuel consumption requirements—large-scale contractors, extensive landscaping companies, agricultural businesses, equipment rental operations, commercial fleets, and mobile fueling services—who also value modern professional appearance, this 100-gallon rectangular tank in contemporary gloss black represents the pinnacle of truck-mounted fuel transport capability, keeping operations running at peak efficiency while projecting the sophisticated image that wins customers and reflects operational excellence.

100-Gallon Capacity: Ultimate Volume in Rectangular Design

The 100-gallon capacity of this transfer tank represents the absolute maximum volume available for truck-mounted fuel transport—a game-changing capacity that fundamentally transforms fuel logistics for high-consumption operations. This isn't just larger than standard tanks; it's double the capacity of 50-gallon models and represents the ultimate solution for businesses with extensive daily fuel requirements where eliminating "back-and-forth trips" isn't just convenient—it's essential to operational profitability and competitive advantage. The rectangular design offers a different approach than L-shaped tanks, providing maximum fuel volume in a traditional straight-sided configuration that occupies the full width of the truck bed rather than wrapping around toolboxes. This design is ideal for operators who prioritize maximum fuel capacity above toolbox integration, who use alternative tool storage solutions like van bodies, service beds, or separate storage systems, or who simply need the absolute maximum diesel or hydraulic fluid transport capability available in a truck-mounted system.

Consider the transformative impact on your operations: With 100 gallons of diesel fuel capacity, you can fuel extensive equipment fleets for multiple days without refueling interruptions, service remote job sites or agricultural operations far from fuel infrastructure without capacity concerns, handle emergency fueling situations with substantial reserves that keep critical equipment operational, take maximum advantage of bulk fuel pricing by purchasing the largest quantities possible in fewer transactions, fundamentally eliminate fuel availability as a constraint on your operational planning and scheduling, reduce labor costs by minimizing time spent on fuel management, and improve cash flow by making fewer but more efficient fuel purchases. For large landscaping operations running dozens of mowers, trimmers, blowers, and equipment across multiple crews and job sites, this capacity can support several full days of intensive operation without returning to base. For construction companies running excavators, loaders, generators, compressors, and other diesel equipment on remote sites or major projects, it provides the fuel security to complete work without interruption or delays. For agricultural operations servicing tractors, combines, implements, and machinery across expansive properties where fuel infrastructure is limited or nonexistent, it delivers the range to work through extended seasons without constant refueling concerns.

The rectangular design measures approximately 46.25" long, 24" wide, and 23" high—dimensions engineered to maximize fuel volume while fitting efficiently in full-size pickup truck beds. Unlike L-shaped tanks that wrap around toolboxes, this rectangular configuration occupies the full width of the bed in a straightforward installation that's ideal for trucks with alternative storage solutions, service bodies, utility beds, flatbeds, stake bodies, or for operators who prioritize maximum fuel capacity as their primary truck bed function and manage tool storage through other means. The design provides straightforward installation and a clean, professional appearance that clearly communicates serious fuel transport capability and operational sophistication.

Commercial-Grade Steel Construction for Maximum-Volume Service

The WEATHER GUARD 100-gallon Transfer Tank is constructed from heavy-duty 12-gauge steel panels throughout—the same commercial-grade material thickness that has proven itself across the entire WEATHER GUARD tank lineup, but engineered into this maximum-capacity rectangular structure designed to safely contain and transport 100 gallons of fluid under the most demanding conditions. This represents purpose-built commercial equipment engineered specifically for the most demanding professional operations where 100 gallons of diesel or hydraulic fluid (weighing over 700 pounds when full) must be transported safely and reliably across thousands of miles, countless job sites, varied terrain from highways to dirt roads to construction sites, and years of intensive commercial service in the harshest operating environments imaginable.

The overlapping edge panel design provides superior corner support throughout the rectangular structure—absolutely essential in this maximum-capacity tank where proper structural engineering is critical to safely contain the substantial volume and weight under all operating conditions. Every corner, every seam, every weld, and every structural element is engineered and inspected to handle not just the static weight of 100 gallons at rest, but the significant dynamic forces created during acceleration, braking, cornering, and traversing the rough roads, unpaved surfaces, construction sites, agricultural fields, equipment yards, and challenging terrain that characterize professional truck operations in demanding commercial environments where equipment is pushed to its limits daily.

Interior baffles are extensively positioned throughout the tank's substantial rectangular interior to minimize fluid motion and improve safety during transport. With 100 gallons of liquid—the largest volume in the WEATHER GUARD lineup—proper baffle design becomes absolutely critical for safe operation and vehicle handling. This substantial mass creates tremendous momentum and force during vehicle operation, and the comprehensive baffle system breaks up these fluid movements, dramatically reducing stress on tank walls and welds that could lead to premature failure, extending tank life by preventing structural fatigue at critical stress points, contributing to stable vehicle handling characteristics even with partial loads that typically create the worst sloshing conditions, and protecting both the tank structure and your vehicle from the cumulative damage that repeated fluid surges could cause over time in a maximum-capacity system without proper internal engineering.

Key Features

• 100-Gallon Maximum Capacity: Ultimate fuel volume in rectangular design—double the capacity of standard 50-gallon tanks eliminates constant refueling trips
• Rectangular Configuration: Traditional straight-sided design maximizes fuel capacity across full truck bed width without toolbox integration requirements
• Heavy-Duty 12-Gauge Steel Construction: Commercial-grade steel panels with overlapping edges and extensive interior baffles engineered for maximum-volume demands
• Professional Gloss Black Finish: ARMOR TUF powder coat provides superior corrosion protection and contemporary appearance that complements modern truck aesthetics

Safety and Operational Features for Maximum-Volume Transport

Safety is paramount when transporting maximum fuel volumes, and the WEATHER GUARD 100-gallon Transfer Tank incorporates comprehensive features specifically engineered for safe maximum-capacity operation under all conditions. The vented filler cap prevents dangerous pressure build-up inside the tank as temperatures fluctuate throughout the day and across seasons—critically important with this ultimate volume where thermal expansion effects are most significant. As 100 gallons of diesel or hydraulic fluid heats up during sunny days, sits in hot truck beds during summer months, or as elevation changes during transport over mountainous terrain or varied topography, the vented cap allows controlled air exchange to prevent pressure accumulation or vacuum formation that could damage the tank structure, deform panels, create leaks, or lead to hazardous conditions. The lockable feature provides essential security for your substantial fuel investment—100 gallons represents very significant value (often $300-400 or more depending on fuel prices and market conditions) that requires protection against theft or tampering at job sites, customer locations, overnight storage facilities, or anywhere your valuable fuel supply might be vulnerable to unauthorized access.

Rubber isolation bushings serve as critical interfaces between the tank and mounting points, absorbing road vibration and protecting the tank structure from constant stress. With a 100-gallon capacity tank weighing 175 pounds empty and over 875 pounds when full with diesel, these isolation bushings are absolutely essential for preventing vibration-induced fatigue at mounting points, welds, seams, and structural joints. They function as sophisticated shock absorbers protecting your substantial investment and extending service life by preventing the accelerated wear, metal fatigue, stress cracks, and structural deterioration that could occur with rigid mounting of this considerable mass directly to the truck bed where every road imperfection would transmit shock directly to the tank.

The reinforced filler neck is heavily engineered to withstand the extended filling operations required for 100 gallons. Filling this ultimate capacity takes significant time (potentially 15-20 minutes or more depending on pump flow rates), meaning extended periods with fuel nozzles or pump equipment engaged with the filler neck applying mechanical stress, and the robust reinforcement ensures this high-use area maintains integrity and seal through thousands of filling cycles over many years of intensive service. The 2-inch standard NPT connection accommodates most commercial pumps, including high-flow pumps that operators with maximum-capacity tanks often use to improve filling efficiency and reduce time spent on fuel management.

The 3/8-inch drain port enables routine maintenance and complete drainage—increasingly important with maximum-capacity tanks where water condensation (which naturally occurs with temperature cycling) or sediment has maximum volume for accumulation and potential impact on fuel quality. Regular draining helps maintain fuel quality and tank condition over years of service.

Professional Gloss Black Finish

The Gloss Black ARMOR TUF powder coat finish delivers both superior protection and contemporary aesthetics that complement modern truck styling and professional business image. This commercial-grade protective coating is engineered to withstand harsh conditions—moisture, road salt, chemicals, UV exposure, and impacts that occur in professional truck bed environments. Powder coating creates a molecular bond with the steel substrate that's far superior to liquid paint, ensuring long-term protection and appearance retention throughout years of demanding service.

The sleek gloss black color offers several practical and professional advantages. It provides a sophisticated, finished appearance that looks purposeful and professionally planned rather than like aftermarket equipment, coordinates beautifully with black or dark-colored trucks for a cohesive factory-integrated look, matches other black truck accessories and equipment for unified appearance, and maintains professional look even with minor wear that would be more visible on lighter colors. For operators who understand that professional appearance impacts customer perception, business credibility, and brand image, the gloss black finish delivers both protection and presentation reflecting commitment to quality and professionalism.

Warranty Protection and Quality Assurance

The Limited Lifetime Warranty demonstrates WEATHER GUARD's confidence in this maximum-capacity tank's construction quality and durability. This warranty provides essential peace of mind that your substantial investment is protected and will continue performing reliably throughout years of professional use, through all weather conditions, across thousands of miles, and under demanding conditions where equipment failure threatens profitability, commitments, and reputation. USA manufacturing ensures quality control standards, material specifications, welding procedures, and construction methods meeting WEATHER GUARD's exacting requirements.

Important Usage Guidelines

WEATHER GUARD Transfer Tanks are designed exclusively for non-flammable fluids such as diesel fuel and hydraulic oil. These tanks are NOT approved for gasoline or other flammable fluids—using them for such purposes would be extremely dangerous, illegal, void all warranties, and create serious safety hazards including fire and explosion risks. The higher flash point of diesel and hydraulic fluids makes them appropriate for these tank designs and venting systems.

These are standalone transport and storage solutions—NOT designed to connect to vehicle primary fuel systems as auxiliary tanks. They're intended for transporting fuel to equipment, generators, or machinery at job sites, or storing hydraulic fluid for maintenance operations.

Product Specifications

• Style: Rectangle Transfer Tank
• Tank Capacity: 100 gallons (Maximum Capacity)
• Material: 12-Gauge Steel
• Color: Gloss Black
• Finish: ARMOR TUF Powder Coat
• Compatible Fluids: Diesel Fuel, Hydraulic Fluid (Non-Flammable Only)
• Mounting Method: Steel Bed Plate
• Filler Opening: 2-inch Standard NPT
• Drain Port: 3/8-inch
• Warranty: Limited Lifetime
• Country of Origin: USA

Dimensions:

• Length: 46.25"
• Width: 24"
• Height: 23"
• Weight: 175 lbs (empty); 875+ lbs (full with diesel)

Key Safety Features:

• Vented lockable filler cap
• Extensive interior baffles
• Rubber isolation bushings
• Reinforced filler neck
• 3/8-inch drain port
• 12-gauge steel construction
• Overlapping edge panel design

Compatibility:

• Full-size pickup trucks with appropriate payload capacity
• 2-inch NPT accommodates most commercial pumps

Ultimate Capacity Meets Ultimate Style

Whether you're a large-scale operation with maximum fuel consumption needing professional appearance, a mobile fueling service where image impacts customer confidence, an agricultural business where equipment quality reflects operational success, a major construction company on high-profile projects, an equipment rental operation where presentation influences customer trust, or any professional operation requiring absolute maximum truck-mounted fuel capacity combined with contemporary styling, the WEATHER GUARD 100-Gallon Rectangle Transfer Tank in Gloss Black delivers the ultimate volume, commercial-grade construction, comprehensive safety features, sophisticated appearance, and long-term durability that maximum-demand operations require. The combination of 100-gallon ultimate capacity, efficient rectangular design, heavy-duty construction, professional gloss black finish, and Limited Lifetime Warranty makes this the intelligent choice for operations where maximum fuel capacity and professional presentation both directly impact operational success and competitive advantage.

Terms to Know

• Transfer Tank: An auxiliary fuel storage tank for transporting and dispensing fuel to equipment rather than serving as vehicle fuel capacity.
• Rectangular Configuration: A traditional straight-sided tank design that occupies full truck bed width rather than wrapping around toolboxes.
• 12-Gauge Steel: Steel approximately 0.105" thick—heavy-duty material providing excellent strength for commercial applications.
• Interior Baffles: Internal dividers that reduce fluid sloshing during transport—critical in maximum-capacity tanks where fluid dynamics create substantial forces.
• NPT (National Pipe Thread): U.S. standard for threaded pipe fittings ensuring compatibility across different manufacturers' pumps.
• Vented Filler Cap: A cap allowing controlled air exchange to prevent pressure buildup or vacuum formation while preventing spillage.
• Powder Coat Finish: Durable electrostatically-applied coating that's heat-cured for superior adhesion and protection compared to liquid paint.
• Non-Flammable Fluids: High flash-point liquids like diesel and hydraulic oil that are significantly safer to transport than gasoline.