Tractor reference

John Deere 6M 140

Specifications, maintenance, parts and compatibility reference.

Specification set: United States - Current US catalog specification Current John Deere US 6M comparison catalog captured in August 2026. Exact product-page fields are used only where separately confirmed.

Engine

Engine modelJohn Deere PowerTech PSS
Rated engine power140 hp
Maximum engine power154 hp
Engine displacement4.5 L
Cylinders4
Rated engine speed2100 rpm
AspirationDual turbochargers, variable geometry turbo with fixed geometry turbo in series
EmissionsFinal Tier 4
Intelligent Power ManagementUp to 20 hp additional power in transport or non-stationary PTO applications

Transmission

Standard transmissionJohn Deere 24-speed PowrQuad Plus, 25 mph (40 km/h)
Transmission options16-speed PowrQuad Plus 19 mph (30 km/h); 24-speed AutoQuad Plus 25/31 mph (40/50 km/h); 24-speed CommandQuad Plus 25/31 mph (40/50 km/h); AutoPowr/IVT 25/31 mph (40/50 km/h)

PTO

PTO power111 hp

Hydraulics

Standard pump rated output21.1 gpm (80 L/min)
Optional pump rated output30.1 gpm (114 L/min)

Sources