John Deere 6.8 Litre Diesel Engines
Industrial engine performance data
Generator set engine ratings

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Specification Sheets
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Frontier & John Deere
Deere standard warranty
Deere extended warranty

PowerTech E
6068 (6.8L) 104-149 kW (139-200 hp)
This 6.8L, 6-cylinder, engine meets emissions requirements without sacrificing performance. New features include high-pressure common rail fuel system, full authority electronic engine controls, and either a fixed geometry or wastegated turbocharger. Torque levels and transient response time meet or exceed Tier 2/Stage II.

PowerTech Plus
6068 (6.8L) 134-205 kW (180-275 hp)
This 6.8L, 6-cylinder engine, meets emissions requirements without sacrificing performance. New features include cooled exhaust gas recirculation, variable geometry turbocharger, power bulge, 4-valve cylinder heads, and a high-pressure common rail fuel system. Power ratings, fuel economy, torque levels, transient response time, and other features meet or exceed Tier 2/Stage II.

PowerTech - Tier 2
6068 (6.8L) 101-205 kW (135-275 hp)
Precision and flexibility come together in this 6-cylinder 6.8L diesel engine. Self-adjusting poly-vee fan drive provides more than twice the capacity of comparable vee-belts. Either-side service option makes dipstick and oil filter available where you need them.

PowerTech - Tier 1
6068 (6.8L) 110-168 kW (148-225 hp)
PowerTech 6.8L engines deliver outstanding performance in the 6-cylinder class. They offer many of the same features as our 4.5-liter engines, but with more horsepower and torque.