Operating Speeds (S660 and S670)

Speeds shown are average and can vary from machine to machine.

NOTE: Operating speed specifications and design subject to change without notice.

Engine Speeds	(9.0 L Tier 2/Stage II) Engine	(9.0 L Interim Tier 4/Stage III B) Engine
Slow Idle (Separator Off)	1200 rpm	1200 rpm
Mid Speed (Separator Off)	1690 rpm	1690 rpm
Fast Idle (Separator Off)	2340 rpm	2340 rpm
Full Load Rated Speed	2200 rpm	2200 rpm

Separator Drive Shaft Speed

1453 rpm

Main Countershaft Speed

1453 rpm

Separator Speeds	S660	S670
High Range	380 - 1000 rpm	400 - 1000 rpm
Low Range	210 - 530 rpm	210 - 530 rpm

Feeder House Lower Shaft Speeds
Fixed Speed (If Equipped)	490 rpm
Heavy Duty Variable Speed (If Equipped)	490 - 750 rpm
High Torque Variable Speed (If Equipped)	490 - 750 rpm
Multi-Speed (If Equipped)	1st Gear: 490 rpm, 2nd Gear: 550 rpm, 3rd Gear: 600 rpm, 4th Gear: 670 rpm, 5th Gear: 750 rpm

Feed Accelerator Speeds
Feed Accelerator (Standard Speed)	430/780 rpm
Feed Accelerator (Optional Slow Speed)	310/770 rpm
Feed Accelerator (High Speed High Capacity)	520/970 rpm

Discharge Beater Speed	S660	S670
	998 rpm	995 rpm

Jackshaft Speeds
Front Right-Hand Jackshaft	518 rpm
Rear Right-Hand Jackshaft	518 rpm

Cleaning Fan Speeds
Standard Speed	620 - 1350 rpm
Special Slow Speed	250 - 500 rpm

Elevator Speeds	S660	S670
Clean Grain Elevator	417 rpm	415 rpm
Clean Grain Loading Auger	448 rpm	445 rpm
Tailings Elevator, Lower Auger	395 rpm	395 rpm
Tailings Elevator, Upper Auger	625 rpm	625 rpm
Shoe Drive	298 rpm	298 rpm
Conveyor Augers	420 rpm	420 rpm

Unloading System Speeds (Separator Engaged)	S660	S670
Unloading System Countershaft	1000 rpm	1000 rpm
Unloading Auger Gearbox, Input Shaft	435 rpm 78 L/sec. (2.2 bu./sec.) Unload Rate 460 rpm 116 L/sec. (3.3 bu./sec.) Unload Rate	460 rpm 116 L/sec. (3.3 bu./sec.) Unload Rate
Unloading Vertical Auger	435 rpm 78 L/sec. (2.2 bu./sec.) Unload Rate 460 rpm 116 L/sec. (3.3 bu./sec.) Unload Rate	460 rpm 116 L/sec. (3.3 bu./sec.) Unload Rate
Unloading Outer Auger	435 rpm 78 L/sec. (2.2 bu./sec.) Unload Rate 460 rpm 116 L/sec. (3.3 bu./sec.) Unload Rate	460 rpm 116 L/sec. (3.3 bu./sec.) Unload Rate
Grain Tank Horizontal Augers (Front and Rear)	405 rpm 78 L/sec. (2.2 bu./sec.) Unload Rate 330 rpm 116 L/sec. (3.3 bu./sec.) Unload Rate	330 rpm 116 L/sec. (3.3 bu./sec.) Unload Rate

Chopper Speeds (Deluxe Residue)
Chopper/Discharge Beater Jackshaft	1880 rpm
Chopper (Two Speed)	1505/2350 rpm

Chopper Speeds (Premium Residue)
Chopper/Discharge Beater Jackshaft	2045 rpm
Chopper (Two Speed)	1400/2995 rpm
Overshot Beater	995 rpm