The Detroit Diesel S60 is a 12.7 L 6-cylinder turbocharged, aftercooled engine rated at 1800 rpm, producing up to 310 kW. It powers generator sets from Kohler, including the 250REOZD, 300REOZDD, 350REOZDD and 400REOZD. It holds 30 L (7.9 gal) of oil and 22.7 L (6.0 gal) of coolant.
Also known as: Detroit Diesel S60
| Oil capacity | 30.0 L |
|---|---|
| Coolant capacity | 22.7 L |
| Displacement | 12.7 L |
| Cylinders | 6 |
| Aspiration | Turbocharged, Aftercooled |
| Rated speed | 1800 rpm |
| Gross power | 310 kW |
How to read your Detroit Diesel engine serial & model number →
Compiled from service & troubleshooting documentation across every generator set that uses the Detroit Diesel S60.
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Clean/Replace | — | 500 hr | ||
| Fuel filter | Replace | — | 250 hr | ||
| Oil filter | Replace | — | 250 hr | ||
| Battery | Replace | — | 250 hr | ||
| Belt | Replace | — | 250 hr | ||
| Coolant | Check/Clean | 45.4 | — | 250 hr | |
| Coolant filter | — | 50 hr | |||
| Oil | S4 | 36.0 L | — | 50 hr | |
| Spark plug | Check/Replace | — | 250 hr |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Other | 10 in. weld flange bolt circle diameter B | 361.95 | mm (14.25 in.) | |
| Other | 10 in. weld flange outside diameter C | 406.4 | mm (16.0 in.) | |
| Other | 10 in. weld flange quantity of bolts / bolt hole diameter D | 12, 25.40 | mm (1.00 in.) | |
| Other | 12 in. weld flange bolt circle diameter B | 431.80 | mm (17.00 in.) | |
| Other | 12 in. weld flange outside diameter C | 482.6 | mm (19.0 in.) | |
| Other | 12 in. weld flange quantity of bolts / bolt hole diameter D | 12, 25.40 | mm (1.00 in.) | |
| Other | 14 in. weld flange bolt circle diameter B | 476.25 | mm (18.75 in.) | |
| Other | 14 in. weld flange outside diameter C | 533.4 | mm (21.0 in.) | |
| Other | 14 in. weld flange quantity of bolts / bolt hole diameter D | 12, 28.58 | mm (1.13 in.) | |
| Other | 16 in. weld flange bolt circle diameter B | 539.75 | mm (21.25 in.) | |
| Other | 16 in. weld flange outside diameter C | 596.9 | mm (23.5 in.) | |
| Other | 16 in. weld flange quantity of bolts / bolt hole diameter D | 16, 28.58 | mm (1.13 in.) | |
| Other | 18 in. weld flange bolt circle diameter B | 577.85 | mm (22.75 in.) | |
| Other | 18 in. weld flange outside diameter C | 635.0 | mm (25.0 in.) | |
| Other | 18 in. weld flange quantity of bolts / bolt hole diameter D | 16, 31.75 | mm (1.25 in.) | |
| Other | 20 in. weld flange bolt circle diameter B | 635.00 | mm (25.00 in.) | |
| Other | 20 in. weld flange outside diameter C | 698.5 | mm (27.5 in.) | |
| Other | 20 in. weld flange quantity of bolts / bolt hole diameter D | 20, 31.75 | mm (1.25 in.) | |
| Other | 5 in. weld flange bolt circle diameter B | 215.90 | mm (8.50 in.) | |
| Other | 5 in. weld flange outside diameter C | 241.30 | mm (9.50 in.) | |
| Other | 5 in. weld flange quantity of bolts / bolt hole diameter D | 8, 22.23 | mm (0.88 in.) | |
| Other | 6 in. weld flange bolt circle diameter B | 254.0 | mm (10.0 in.) | |
| Other | 6 in. weld flange outside diameter C | 279.4 | mm (11.0 in.) | |
| Other | 6 in. weld flange quantity of bolts / bolt hole diameter D | 8, 22.23 | mm (0.88 in.) | |
| Other | 8 in. weld flange bolt circle diameter B | 298.45 | mm (11.75 in.) | |
| Other | 8 in. weld flange outside diameter C | 342.9 | mm (13.5 in.) | |
| Other | 8 in. weld flange quantity of bolts / bolt hole diameter D | 8, 22.23 | mm (0.88 in.) | |
| Other | Amperage PH1 | 312 | A | 15 Min |
| Other | Compression ratio | 15.0:1 | ||
| Other | Kilowatts | 263 | kW | 15 Min |
| Other | Weld flange angle A (10, 12, 14 in. nominal pipe size) | 30 | deg. | |
| Other | Weld flange angle A (16, 18, 20 in. nominal pipe size) | 22.5 | deg. | |
| Other | Weld flange angle A (5, 6, 8 in. nominal pipe size) | 45 | deg. | |
| Pressure | Max. restriction of cooling air, intake and discharge side of radiator | 0.125 | kPa | |
| Pressure | Maximum allowable back pressure | 10.2 | kPa | engine exhaust |
| Pressure | Maximum allowable exhaust back pressure | 10.2 | kPa | at rated kW, dry exhaust |
| Pressure | Oil Pressure | 50 | Warm Up | |
| Speed | Frequency regulation, steady state | ±0.25 | % | |
| Speed | Hertz/Cycles | 60 | Hz | Warm Up |
| Speed | Piston speed | 604 | m/min | at rated kW |
| Temperature | Ambient Temperature | 30 | °F | Warm Up |
| Temperature | Ambient temperature (standard radiator) | 50 | C | |
| Temperature | Coolant Temperature | 180 | °F | 15 Min |
| Temperature | Exhaust temperature at rated kW, dry exhaust | 418 | C | 60 Hz, rated kW |
| Voltage | DC Voltage | 28.1 | V | 15 Min |
| Voltage | Voltage PH1 | 483 | V | Start |
| Voltage | Voltage regulation, no-load to full-load | ±2 | % |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Fuel | #2 Diesel |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Voltage | Phase | Connection | Leads | Notes |
|---|---|---|---|---|
| 120/208 | 3 | 12, Reconnectable | 60 Hz, 3-phase, 0.8 PF; Standby 300 kW/375 kVA, 1041 A; Prime 270 kW/338 kVA, 937 A | |
| 120/240 | 3 | 12, Reconnectable | 60 Hz, 3-phase, 0.8 PF; Standby 300 kW/375 kVA, 902 A; Prime 270 kW/338 kVA, 812 A | |
| 127/220 | 3 | 12, Reconnectable | 60 Hz, 3-phase, 0.8 PF; Standby 300 kW/375 kVA, 984 A; Prime 270 kW/338 kVA, 886 A | |
| 139/240 | 3 | 12, Reconnectable | 60 Hz, 3-phase, 0.8 PF; Standby 300 kW/375 kVA, 902 A; Prime 270 kW/338 kVA, 812 A | |
| 220/380 | 3 | 12, Reconnectable | 60 Hz, 3-phase, 0.8 PF; Standby 280 kW/350 kVA, 532 A; Prime 255 kW/319 kVA, 484 A | |
| 240/416 | 3 | 12, Reconnectable | 60 Hz, 3-phase, 0.8 PF; Standby 300 kW/375 kVA, 520 A; Prime 270 kW/338 kVA, 468 A | |
| 277/480 | 3 | 12, Reconnectable | 60 Hz, 3-phase, 0.8 PF; Standby 300 kW/375 kVA, 451 A; Prime 270 kW/338 kVA, 406 A | |
| 347/600 | 3 | 12, Reconnectable | 60 Hz, 3-phase, 0.8 PF; Standby 300 kW/375 kVA, 361 A; Prime 270 kW/338 kVA, 325 A |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
The Detroit Diesel S60 engine has an oil capacity of 30.0 liters.
The Detroit Diesel S60 has a displacement of 12.7 liters with 6 cylinders.
The Detroit Diesel S60 powers 4 generator set(s), including Kohler 250REOZD, Kohler 300REOZDD, Kohler 350REOZDD, Kohler 400REOZD.
The Detroit Diesel S60 oil change interval is every 50 hours.
A commonly reported issue on generators using the Detroit Diesel S60 is: Lower than rated voltage at load. Cause: Voltage potentiometer out of setting. Fix: Reset voltage potentiometer..