John Deere PowerTech 4.5L and 6.8L Tier 2 / Stage II Marine Engines Operator's Manual (OMRG35856)

Engines covered

OMRG35856 (Issue 05May06) is the operator's manual for John Deere PowerTech 4.5 L and 6.8 L marine engines, heat exchanger or keel cooled:

• 4045DFM70: 4.5 L, up to 60 kW (80 hp) M2, plus gen-set ratings
• 4045TFM75: 4.5 L, 79 to 101 kW (106 to 135 hp), plus gen-set ratings
• 6068SFM50: 6.8 L, 136 to 224 kW (182 to 300 hp)
• 6068SFM75: 6.8 L, 188 to 298 kW (252 to 400 hp)
• 6068TFM75: 6.8 L, 118 to 150 kW (158 to 201 hp)
• 6068TFM76: 6.8 L gen-set, 89 kW at 50 Hz / 110 kW at 60 Hz

These engines meet EPA Tier 2 in the US and the RCD directive in the EU.

What is inside

• Record keeping: serial number, option codes, fuel pump number, ECU serial number
• Safety; fuels, lubricants and coolant
• Instrument panels and the diagnostic gauge: reading stored and active trouble codes, shutdown codes, display setup
• Break-in, starting, warm-up, idling and normal operation; emergency starting of 6068SFM50/75 with an electronic failure
• Generator set power units and auxiliary gear drive limits
• Lubrication and maintenance schedule with step-by-step service jobs
• Troubleshooting, storage, and engine specs with power ratings by M1 to M5 rating

It is 226 pages and suits boat owners, skippers and marine mechanics who want the factory service intervals and fault code meanings close at hand.

Main specifications

Format

Digital PDF, delivered as a download link after purchase. You can search it, zoom diagrams and print only the pages you need.