Marine Fuel Bladder Dimensions & Size Guide
Compare Techno Tanks marine fuel bladder dimensions, weights, and capacities from 30 to 300 gallons to find the right fit for your boat.
💡 Pro Tip: Allow 10–15% additional space to accommodate bladder expansion and hose routing during installation.
Bladder Dimension Chart & Size Guide
Compare dimensions and weights of all Techno Tanks marine fuel bladders.
Toggle between imperial and metric measurements for your convenience.
| Capacity | Typical Use | Box Dimensions | Filled Dimensions | Weight |
|---|---|---|---|---|
| 30 Gallon Marine Fuel Bladder | Small center console / short-range extension | 20 × 16 × 7.5 in | 33.5 × 22 × 12.5 in | 17.5 lbs |
| 50 Gallon Marine Fuel Bladder | Offshore fishing / compact deck footprint | 25.5 × 20.5 × 10 in | 48 × 19 × 17 in | 23.5 lbs |
| 60 Gallon Marine Fuel Bladder | Small offshore boats / added day range | 25.5 × 20.5 × 10 in | 42 × 28.5 × 16 in | 21 lbs |
| 80 Gallon Marine Fuel Bladder | Offshore fishing / mid-size cockpit layout | 25.5 × 20.5 × 10 in | 42.5 × 34 × 18 in | 24.5 lbs |
| 100 Gallon Marine Fuel Bladder | Longer offshore runs / larger deck capacity | 25.5 × 20.5 × 10 in | 53 × 37 × 15 in | 27 lbs |
| 150 Gallon Marine Fuel Bladder | Extended offshore runs / sportfish support | 25.5 × 20.5 × 10 in | 63 × 44.5 × 17.5 in | 34 lbs |
| 200 Gallon Marine Fuel Bladder | Long-range boating / expedition support | 25.5 × 20.5 × 10 in | 66 × 61 × 15 in | 39.5 lbs |
| 250 Gallon Marine Fuel Bladder | Large cockpit layouts / extended range | 25.5 × 20.5 × 10 in | 68 × 56 × 19.7 in | 40 lbs |
| 300 Gallon Marine Fuel Bladder | Maximum range extension / large vessels | 25.5 × 20.5 × 10 in | 68 × 63 × 19.5 in | 41.5 lbs |
*Values are approximate (Length × Width × Height). Height measured to flange; allow approximately 2 in for fuel cap.
Fuel Weight Calculator
Toggle between gasoline and diesel to estimate the approximate fuel weight added to the boat for each bladder size.
| Capacity | Fuel Weight Added |
|---|---|
| 30 Gallons | |
| 50 Gallons | |
| 60 Gallons | |
| 80 Gallons | |
| 100 Gallons | |
| 150 Gallons | |
| 200 Gallons | |
| 250 Gallons | |
| 300 Gallons |
30 Gallons
Fuel Weight Added
50 Gallons
Fuel Weight Added
60 Gallons
Fuel Weight Added
80 Gallons
Fuel Weight Added
100 Gallons
Fuel Weight Added
150 Gallons
Fuel Weight Added
200 Gallons
Fuel Weight Added
250 Gallons
Fuel Weight Added
300 Gallons
Fuel Weight Added
*Approximate fuel weight only. Calculated using standard reference densities of 6.1 lb/gal for gasoline and 7.08 lb/gal for diesel. Does not include bladder, fittings, hose, or pump weight.
Contact & Support
Need help with fuel bladder sizing, product questions, an order, or a custom configuration? Contact Techno Tanks.
Call: +1 (786) 439-0219 Online: Contact Techno Tanks Support