High-end tuning since 2003

John Deere Knuckleboom Loader 337E | 437E - 6.8L - 173HP - Tier4

Tuning for the John Deere Knuckleboom Loader 337E | 437E - 6.8L - 173HP - Tier4: 173 hp becomes up to 215 hp, torque 722 to 924 Nm. EGR, DPF, DEF delete available.

Available for this machine

Find a dealer near you All John Deere machines

Dealers in your area