John Deere 6068TFM75 Marine Diesel Engine
John Deere 6068TFM75 Specs
| Brand | John Deere |
| Full Model Code / Configuration | 6068TFM75 (Vertical in-line 6-cylinder diesel engine) |
| Country of Origin | USA |
| Engine Series / Family | PowerTech 6.8L Series |
| Engine Type / Cylinder Block | Inline-6, 4-Stroke |
| Displacement | 6.80 Liters / 6,800 cc |
| Rated Horsepower | 158 HP to 201 HP (118 kW to 150 kW) @ 2400–2600 RPM (Depending on Rating M1 to M3) |
| Maximum Torque | 624 Nm @ 1800 RPM (At continuous heavy M1 profile) |
| Rated Engine Speed / Redline RPM | 2600 RPM |
| Aspiration & Induction | Turbocharged (Water-cooled turbocharger and exhaust manifold architecture) |
| Fuel System / Injection | Mechanical Injection Pump (In-line rotary governor configuration / mechanical unit injectors) |
| Bore x Stroke | 106 mm x 127 mm |
| Compression Ratio | 17.6:1 |
| Electrical System Voltage | 12V (Standard) / 24V (Optional alternative layout) |
| Alternator Output | 90 Amps (Standard 12V setup) |
| Cooling System Type | Fresh Water Heat Exchanger / Keel Cooled configuration option availability |
| Coolant Capacity | 27.0 Liters |
| Exhaust System / Configuration | Wet Exhaust / Dry Exhaust installation option array |
| Emission Compliance | US EPA Marine Tier 2, IMO NOx Tier II compliant footprint |
| Lubrication System Capacity | 19.0 Liters (Total deep system oil sump parameter) |
| Recommended Oil Grade | John Deere Plus-50 II, SAE 15W-40, API CI-4 / CK-4 |
| Fuel Type / Requirement | Diesel Fuel / Marine Gas Oil (MGO, ISO 8217 DMA / ASTM D975 No. 2-D) |
| Fuel Consumption at Cruising Speed | 24.8 Liters/hour @ 2000 RPM (At mid-range continuous operational load setup) |
| Compatible Marine Gear / Transmission | ZF220, ZF286A, Twin Disc MG5050A, Twin Disc MG5061 |
| Available Gear Ratios | 1.53:1, 2.04:1, 2.47:1 (ZF220) / 1.50:1, 2.00:1, 2.50:1 (MG5050A) |
| Drive Type Compatibility | Shaft Drive |
| Dry Weight - Engine Only | 730 kg |
| Dry Weight - with Transmission | 815 kg (with typical ZF220 gearbox application assembly) |
| Dimensions - L x W x H | 1152 mm x 754 mm x 960 mm (Standard mechanical configuration dimensions) |
| Governor / Engine Control Unit | Mechanical Governor (Equipped with mechanical links / optional electronic throttle add-on kit) |
| Control System Interface | Mechanical Cables (Analog gauge cluster dash wire arrays) |
| Starting System | Electric starter motor 4.0 kW (24V variant standard) |
| Flywheel & Housing Size | SAE No. 3 |
| Standard Warranty | 1 Year / Unlimited Hours or 2 Years / 2000 Hours (Commercial application provisions) |
| Application | Long-range heavy trawlers (48–60 feet), heavy displacement commercial fishing boats, tugs, and work vessels. |
SET
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