6125AFM PowerTech 12.5L
For information purposes only. This model has been discontinued.
- View spec sheet
- View Installation Drawing
- Performance Curves: 341hp, 400hp, 455hp, 526hp
Tier II Performance Data
| M4 | M3 | M2 | M1 | |
|---|---|---|---|---|
| Rated Gross Power—bhp (kW) | 526 (392) | 455 (339) | 389 (290) | 341 (254) |
| Rated Speed—rpm | 2100 | 2000 | 1900 | 1800 |
| Low Idle Speed—rpm | 600 | 600 | 600 | 600 |
| Peak Torque—lb-ft (N • m) | 1624 (2202) | 1492 (2023) | 1409 (1910) | 1409 (1910) |
| Peak Torque Speed—rpm | 1700 | 1600 | 1200 | 1200 |
| Fuel Consumption—gal/hr (L/h) | ||||
| 2100 | 28.13 (106.5) | N/A | N/A | N/A |
| 2000 | 23.43 (88.7) | 24.33 (92.1) | N/A | N/A |
| 1800 | 17.22 (65.2) | 17.22 (65.2) | 17.2 (65.1) | 17.49 (66.2) |
| 1600 | 11.97 (45.3) | 11.99 (45.4) | 11.97 (45.3) | 12.31 (46.6) |
| 1400 | 8.16 (30.9) | 8.16 (30.9) | 8.14 (30.8) | 8.37 (31.7) |
| 1200 | 5.12 (19.4) | 5.12 (19.4) | 5.1 (19.3) | 5.26 (19.9) |
| 1000 | 3.04 (11.5) | 3.04 (11.5) | 3.01 (11.4) | 3.12 (11.8) |
Propulsion & Auxiliary Power — General Data
| Model | 6125AFM75 |
|---|---|
| Number of Cylinders | 6 |
| Displacement— cu. in. (L) | 763 (12.5) |
| Bore and Stroke—in.(mm) | 4.56 × 5.06 (127 × 165) |
| Aspiration | Turbo |
| Engine Type | In-line, 4-Cycle |
| Compression Ratio | 17.0:1 |
| Aftercooling System | Engine Coolant |
| Length—in. (mm) | 56.1 (1426) |
| Width—in. (mm) | 33.5 (850) |
| Height—in. (mm) | 44.8 (1138) |
| Weight, dry—lb. (kg) | 3142 (1425) |
| Maximum Installed Angle Front Up (degrees) |
12° |
| Maximum Installed Angle Front Down (degrees) |
0° |
Features & Benefits
- Watercooled Turbocharger and Exhaust Manifold
- Cooler and quieter environment for vessel and crew
- Reduced external connections eliminates hoses and fittings that can leak or break
- Replaceable wet-type cylinder liners
- Excellent heat dissipation
- Hardened and precision machined for long life
- Rebuild to original specifications
- Directed Top-liner Cooling
- Reduces upper liner temperature by as much as 100°F (54°C)
- Durable and reliable power cylinder components
- Corrosion Resistant Components
- Provides engine protection from the effects of seawater
- Gear Auxiliary Drive
- Optional auxiliary drive for wash-down pumps, hydraulic oil pumps and air compressors
- Either-side Service
- Self diagnostics and protection
- Convenience plus fast and easy maintenance
- Electronic instrument panel with plain text messaging installation convenience plus fast and easy maintenance
- Heat exchanger or Keel cooled
- High-capacity heat exchanger designed for reliable operation in adverse conditions
- Keel cooler or heat exchanger options provide application flexibility
- High Torque and low rated rpm
- Enables the engine to turn larger propellers at lower speed for best efficiency
- Excellent vessel control and maneuvering
- Lower rated rpm limits vibration and noise for better crew comfort
- Fuel System
- Electronically controlled high pressure common rail fuel system provides precise fuel delivery with variable timing resulting in excellent fuel economy and excellent performance
- 3 – 5% generator droop governing
- Self-diagnostics and protection
- Electronic instrument panel with plain text messaging
- Emissions
- US EPA Marine Tier II Compliant
- IMO Compliant
















