Product overview
New aftermarket M4D 088 1N00 B101 — a fixed-displacement M4 vane motor, bi-directional, for fan, cooling and mobile drives. The M4 code has nine items; every item on this page is read from the nameplate code. All units are new replacements, quality checked before shipping.
Specifications
| Series | M4D — SAE C J744c |
| Displacement code | 088 — 91.1 cm³/rev theoretical |
| Theoretical torque | 1.45 N·m/bar |
| Theoretical power | 0.0150 kW/bar |
| Typical torque / power | 236.0 N·m / 49.4 kW (2000 r/min @ Δp 175 bar) |
| Max pressure | 230 bar (HF-0 / HF-2, intermittent = continuous); 140 bar on HF-1 / HF-3 / HF-4 / HF-5 |
| Speed | 4000 r/min low load (80 bar) / 2500·3000 r/min at full pressure (intermittent ≤ 6 s per minute) |
| Low-pressure port | 35 bar max. (externally drained version) |
| Drain line back pressure | 3.5 bar (50 PSI) max. |
| Shaft | Code 1 — straight key, SAE C |
| Rotation | Code N — bi-directional |
| Porting combination | Code 00 — standard |
| Design letter | B |
| Seal class | 1 — S1 BUNA N |
| Port form | 01 — SAE 20 (1″5/8-16 UNF) pressure ports + SAE 8 (3/4″-16 UNF) drain — M4D only |
| Mass | 27.0 kg |
| Moment of inertia | 21.8 × 10⁻⁴ kgm² |
Model code — M4D 088 1N00 B101
| 1 Series | M4D — SAE C J744c |
| 2 Displacement | 088 — 91.1 cm³/rev |
| 3 Shaft | 1 |
| 4 Rotation | N — bi-directional |
| 5 Porting | 00 — standard |
| 6 Design letter | B |
| 7 Seal class | 1 |
| 8 Port form | 01 |
Selection & ordering
Send us the complete code from the nameplate (or the machine model) and we confirm the fit before your order ships.
Related parts & pages
Other M4 models
Browse — M4 Vane Motors · M3 · M4 · M5 Series · Vane Motors
Not sure of the code? Contact us with the complete nameplate code and we confirm the fit before shipping.
