Parker Denison M4SD-138-1N00-B504-M277333 Hydraulic Motor – 024-77333-500

Series-specific model code

Original model: M4SD-138-1N00-B504-M277333

Code coverage: Evidence-supported meanings shown. Confirmation required for remaining configuration.

Evidence profile: M4SD field-level ordering-code profile (manual-evidence revision 6)

Code segment	Evidence-bound meaning
M4SD	Series: M4SD.
138	Documented displacement: 144.4 cm3/rev.
1	Shaft: Keyed shaft (SAE C).
N	Direction of rotation: bi-directional.
00	Porting combination: Standard porting combination.
B	Design level: B.
5	Seal: S5 fluorocarbon seal class.
04	Ports: Four-bolt SAE flange with UNC threads and BSPP drain.
M277333	Modification or special reference: M277333. Contact us to confirm.

Each supplied shaft, direction, porting, design, seal, port and modification field remains separate. Catalog-backed values are decoded; unknown or historical selections remain unchanged and say Contact us to confirm.