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Compact Drives0 pages
Compact Drives
Oerlikon Fairfield’s CR31 and CR51 roller drives are purposely designed
to meet the unique requirements for mobile compaction machinery.
Features
•t Ultra compact length
•t Integrated parking brake
•t Double or triple planetary designs
•t Spindle side brake release and oil ports
•t Tapered roller bearings
•t Cartridge motor mounts
•t Face seal
•t Robust design with an excellent service history
CR31A1
CR31A2
CR51
•t Double planetary with 46:1 ratio
•t Double planetary with 46:1 ratio
•t 31,000 Nm Max Torque –
t 4 planet output stage
•t 23,500 Nm Max Torque –
t 3 planet output stage
•t 51 KNm Max Torque Triple Planetary
t with 74:1 ratio (5 planet output)
•t 2 Speed Bent Axis 110cc Input
t (Sauer-Danfoss 51 Series)
•t Fixed Axial Piston 55cc or 75cc
t Input Options (S-D 90 Series)
t
•t 2 Speed Bent Axis 80cc Input
t Options (S-D 51 Series)
•t Applied on 12 to 15 metric ton
t Single Drum Compactors
•t 2 Speed Bent Axis 110cc Input
t (Sauer-Danfoss 51 Series)
•t Applied on 12 to 15 metric ton
t Single Drum Compactors
•t Applied on 8 to 12 metric ton
t Single Drum Compactors
Basic Gearbox Performance Data
Dimension
CR31A1
CR31A2
CR51
Max. Output Torque (int.)
Nm (lb-in)
31 000 (274 370)
23 250 (205 780)
51 000 (451 380)
Max. Output Torque (cont.)
Nm (lb-in)
23 000 (203 560)
17 435 (154 300)
38 000 (336 330)
Dyn. Load Capacity Max.
kN (lb)
65 (14 610)
65 (14 610)
90 (20 230)
Output Speed Max.
min-1 (rpm)
50
50
50
Brake Torque Max. (static)
Nm (lb-in)
725 (6416)
725 (6416)
725 (6416)
Ratio
I
45.57:1
45.57:1
73.50:1
Oerlikon Fairfield
US 52 South / PO Box 7940, Lafayette, IN 47903 (USA)
T +1.765.772.4000 | F +1.765.772.4001
marketing@fairfieldmfg.com
www.oerlikon.com/fairfield
