33 CFR § 183.510 - Fuel tanks.

---
identifier: "/us/cfr/t33/s183.510"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 183.510 - Fuel tanks."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "183.510"
section_name: "Fuel tanks."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "S"
subchapter_name: "BOATING SAFETY"
part_number: "183"
part_name: "BOATS AND ASSOCIATED EQUIPMENT"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 4302; Pub. L. 103-206, 107 Stat. 2439; and Department of Homeland Security Delegation No. 0170.1, para. II, (92)(b). Subpart E is also authorized by Pub. L. 114-120, 130 Stat. 27"
regulatory_source: "CGD 72-61R, 37 FR 15782, Aug. 4, 1972, unless otherwise noted."
cfr_part: "183"
---


# 183.510 Fuel tanks.

(a) Each fuel tank in a boat must have been tested by its manufacturer under § 183.580 and not leak when subjected to the pressure marked on the tank label under § 183.514(b)(5).

(b) Each fuel tank must not leak if subjected to the fire test under § 183.590. Leakage is determined by the static pressure test under § 183.580, except that the test pressure must be at least one-fourth PSIG.

(c) Each fuel tank of less than 25 gallons capacity must not leak if tested under § 183.584.

(d) Each fuel tank with a capacity of 25 to 199 gallons must not leak if tested under § 183.586.

(e) Each fuel tank of 200 gallons capacity or more must not leak if tested under §§ 183.586 and 183.588.

[CGD 74-209, 42 FR 5950, Jan. 31, 1977, as amended by CGD 81-092, 48 FR 55736, Dec. 15, 1983]