Product overview
New aftermarket M4E 185 1N00 B502 — a fixed-displacement M4E series 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 | M4E — SAE C J744c (external drain) |
| Displacement code | 185 — 191.6 cm³/rev theoretical |
| Theoretical torque | 3.05 N·m/bar |
| Theoretical power | 0.0320 kW/bar |
| Typical torque / power | 484.0 N·m / 101.4 kW (2000 r/min @ Δp 175 bar) |
| Max pressure | 180 bar (HF-0 / HF-2); 140 bar on HF-1 / HF-3 / HF-4 / HF-5 |
| Speed | 3600 r/min low load (80 bar) / 2500·3000 r/min at full pressure |
| Shaft | Code 1 — straight key, SAE C |
| Rotation | Code N — bi-directional |
| Porting combination | Code 00 — standard |
| Design letter | B |
| Seal class | 5 — S5 VITON (the only class listed for M4E) |
| Port form | 02 — 4-bolt SAE flange (UNC) + SAE drain (the only port form listed for M4E) |
| Low-pressure port limit | 35 bar when A / B alternate (external drain) |
| Mass / moment of inertia | 45.0 kg / 58.5 × 10⁻⁴ kgm² |
Model code — M4E 185 1N00 B502
| 1 Series | M4E — SAE C J744c (external drain) |
| 2 Displacement | 185 — 191.6 cm³/rev |
| 3 Shaft | 1 — straight key, SAE C |
| 4 Rotation | N — bi-directional |
| 5 Porting | 00 — standard |
| 6 Design letter | B |
| 7 Seal class | 5 — S5 VITON |
| 8 Port form | 02 — 4-bolt SAE flange (UNC) |
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 M4E 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.
