DR1439RX (4B3.9) — ENGINE,DIESEL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

DR1439RX (4B3.9): ENGINE,DIESEL.

The ENGINE,DIESEL is a the manufacturer industrial component. Key specifications include special_features: ENGINE MODEL: 4B3.9-D(M), piston_action_type: SINGLE ACTING, cylinder_arrangement: STRAIGHT IN-LINE, standard_bore_diameter: 3.900 MILLIMETERS MM, crankshaft_rotation_direction: CLOCKWISE. This part is cataloged in the U.S.

Government catalog under NSN 2815-01-280-5303, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

DR1439RX (4B3.9)

NSN: 2815-01-280-5303
FSC: 2815 — Diesel Engines and Components
CAGE: 15434 — CUMMINS INC. (USA)

SPECIFICATIONS

special_features	ENGINE MODEL: 4B3.9-D(M)
cylinder_quantity	4
piston_action_type	SINGLE ACTING
cylinder_arrangement	STRAIGHT IN-LINE
standard_bore_diameter	3.900 MILLIMETERS MM
crankshaft_rotation_direction	CLOCKWISE
NSN	2815-01-280-5303

COMPONENT DIAGRAM

KEY FEATURES

•

CRANKSHAFT ROTATION DIRECTION: CLOCKWISE

•

PISTON ACTION TYPE: SINGLE ACTING

•

CYLINDER QUANTITY: 4

•

CYLINDER ARRANGEMENT: STRAIGHT IN-LINE

•

STANDARD BORE DIAMETER: 3.900 MILLIMETERS MM

TECHNICAL CHARACTERISTICS

CRANKSHAFT ROTATION DIRECTION	CLOCKWISE
PISTON ACTION TYPE	SINGLE ACTING
SPECIAL FEATURES	ENGINE MODEL: 4B3.9-D(M)
CYLINDER QUANTITY	4
CYLINDER ARRANGEMENT	STRAIGHT IN-LINE
STANDARD BORE DIAMETER	3.900 MILLIMETERS MM

OTHER ITEMS IN FSC 2815 — Diesel Engines and Components

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

2815-00-011-9099 2815-00-017-1875 2815-00-024-4185 2815-00-033-1482 2815-00-036-5350 2815-00-179-7630 2815-00-346-4639 2815-00-592-5308

SUBSTITUTES & CROSS-REFERENCES 2

7069005Reference document

Same NSN cross-reference

Reference document — Secondary reference

4BT 3.9-MReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is DR1439RX (4B3.9)?

DR1439RX (4B3.9) is a ENGINE,DIESEL.

What parts can replace DR1439RX (4B3.9)?

There are 2 known substitutes for DR1439RX (4B3.9): 7069005, 4BT 3.9-M. Substitute compatibility should be verified for your specific system.

What is the NSN for DR1439RX (4B3.9)?

DR1439RX (4B3.9) is cataloged in the U.S. Government catalog under NSN 2815-01-280-5303. This indicates validated use in U.S. government and defense supply chains.

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DR1439RX (4B3.9) — ENGINE,DIESEL

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