John Deere Brush Cutter CX15 User Manual

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HX15, CX15, HX20, CX20 HEAVY-DUTY  
FLEX-WING ROTARY CUTTERS  
W A R N I N G !  
SAFETY CHAIN SHIELDING IS  
AVAILABLE FOR ALL CUTTERS.  
Because of the possibility of injury or  
damage from thrown objects, improperly  
used rotary cutters are potentially  
dangerous. Optional Front and Safety  
Shielding is strongly recommended  
for deflecting objects when cutters  
are used in a populated area or when  
additional safety precautions are  
needed. (Refer to Operator’s Manual  
for owner’s responsibility and detailed  
safety procedures.)  
F E A T U R E S  
THE COMMERCIAL-DUTY CX15 AND CX20 ARE  
MEANT FOR:  
• Farmers and ranchers with very large-acreage  
pasture maintenance and/or typically very hard  
and very rough ground.  
The HX15, CX15, HX20 and CX20 are 15-ft. and  
20-ft., 3-section flex-wing rotary cutters suited for  
applications ranging from pasture maintenance  
and/or crop shredding to intensive, high-hour,  
commercial roadside mowing.  
COMPATIBILITY CHART  
HX15 & CX15 5325 and larger  
HX20 & CX20 6403 and larger  
• Private, commercial or governmental grass  
maintenance averaging approximately 500 hours  
of annual usage for 10 years (i.e., 5,000 hour  
machine life expectancy).  
THE HEAVY-DUTY HX15 AND HX20 ARE  
MEANT FOR:  
• Farmers and ranchers with large-acreage  
pasture maintenance.  
• The CX15 is also available as 10-ft., 2-section  
flex-wing rotary cutter with a 6-in. blade overlap  
and the CX20 as 13.5-ft., 2-section flex wing by  
ordering with a weigth box in place of the left wing.  
• Private, commercial or governmental grass  
maintenance averaging approximately 300 hours  
of annual usage for 10 years (i.e., 3,000-hour  
machine life expectancy).  
• Tractor with a minimum of 55 horsepower  
(41 kW) is required to operate HX15 and CX15  
Rotary Cutters. Drawbar must have minimum of  
1,960 lb. static load rating for HX15 and 2,115 lb.  
(960 kg) static load rating for CX15.Tractor with a  
minimum of 75 horsepower (56 kW) is required to  
operate HX20 and CX20 Rotary Cutters. Drawbar  
must have minimum of 2,640 lb. (12 KN) static  
load rating.  
• The HX20 is also available as 13.5-ft. flex-wing  
rotary cutter with a 6-in. blade overlap by  
ordering as a 2-section flex wing with weight box  
on the left side.  
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130  
 
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S P E C I F I C A T I O N S  
HX20  
CX20  
Capacity:  
Cutting Width. . . . . . . . . . . . . . . . . . . . . . . . . . 20 ft. (6096 mm)  
20 ft. (6096 mm)  
Cutting Height and Transporting Clearance . 1 to 16 in. (25 to 406 mm) for clearance while going over terraces  
Cutting Capacity (Diameter) . . . . . . . . . . . . . 3 in. (76 mm)  
Cutting Chamber Depth . . . . . . . . . . . . . . . . . 10.5 in. (267 mm)  
1 to 16 in. (25 to 406 mm) for clearance while going over terraces  
4 in. (102-plus mm)  
10.5 in. (267 mm)  
Tractor Compatibility:  
Tractor PTO Horsepower Range . . . . . . . . . 75 plus  
Tractor PTO . . . . . . . . . . . . . . . . . . . . . . . . . . . 540 or 1000  
Static Vertical Drawbar Load Rating. . . . . . 2,560 lb. (1165 kN)  
75 plus  
540 or 1000  
2,640 lb. (1200 kN)  
Hitch:  
Hitch Type and Category . . . . . . . . . . . . . . . . Pull-type with standard self-level hitch clevis  
Pull-type with ball-type self-level hitch clevis for easy hookup and long,  
trouble-free operating life of clevis and tractor drawbar  
22.5-in. (570 mm) for tight turn capability  
Hitch Width . . . . . . . . . . . . . . . . . . . . . . . . . . . 22.5-in. (570 mm) for tight turn capability  
Jackstand. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Stays vertical while raising and lowering  
Stays vertical while raising and lowering  
Dimensions:  
Transport Width. . . . . . . . . . . . . . . . . . . . . . . . 134 in. (3400 mm) at wing wheels  
Transport Height . . . . . . . . . . . . . . . . . . . . . . . 106 in. (2690 mm)  
Overall Width. . . . . . . . . . . . . . . . . . . . . . . . . . 246 in. (6250 mm)  
Overall Length . . . . . . . . . . . . . . . . . . . . . . . . . 227 in. (5760 mm)  
134 in. (3400 mm) at wing wheels  
106 in. (2690 mm)  
246 in. (6250 mm)  
227 in. (5760 mm)  
Deck Shape . . . . . . . . . . . . . . . . . . . . . . . . . . . Easy-to-clean, dome-shaped top deck ‘’Double Decker’’ design for superior strength and attractive appearance, deck dents don’t show  
Deck Thickness:  
Upper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.118 in. (11 gauge) (3.0 mm)  
Lower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.138 in. (10 gauge) (3.5 mm)  
Skirt Thickness . . . . . . . . . . . . . . . . . . . . . . . . 0.25 in. (6 mm)  
0.138 in. (10 gauge) (3.5 mm)  
0.138 in. (10 gauge) (3.5 mm)  
0.25 in. (6 mm)  
Hinges. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Intermittent, greaseable, steel forgings  
Hinge Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 in. diameter full length  
Approximate Weight. . . . . . . . . . . . . . . . . . . . 6,710 lb. (3050 kg)  
Continuous, greaseable, steel forgings for a lifetime of trouble-free use  
1 in. diameter full length  
7,350 lb. (3350 kg)  
Drivelines:  
Driveline Size:  
Main. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Constant-velocity Category 5 tubular telescoping profiles  
Connecting . . . . . . . . . . . . . . . . . . . . . . . . . Category 5 tubular telescoping profiles  
Driveline Protection:  
Constant-velocity Category 5 splined telescoping profiles*  
Category 5 splined telescoping profiles*  
Main. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No-seize self-adjusting slip clutches  
Connecting . . . . . . . . . . . . . . . . . . . . . . . . . No-seize self-adjusting slip clutches  
No-seize self-adjusting slip clutches  
No-seize self-adjusting slip clutches  
Gearcases:  
Number. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
4
Gearcase Horsepower Rating:  
Transfer. . . . . . . . . . . . . . . . . . . . . . . . . . . . 210 hp (peak) 160 hp (continuous)  
Center . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 hp (peak) 120 hp (continuous)  
Outer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 hp (peak) 120 hp (continuous)  
250 hp (peak) 160 hp (continuous)  
160 hp (peak)120 hp (continuous)  
160 hp (peak) 120 hp (continuous)  
Blades:  
Thickness x Width x Length . . . . . . . . . . . . . ½×4×26.5-in. (13×102×670 mm) resist bending better  
Blade Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . Suction or dual  
½×4×26.5-in. (13×102×670 mm) resist bending better  
Suction or dual  
Blade Overlap . . . . . . . . . . . . . . . . . . . . . . . . . 6 in. (152 mm)  
6 in. (152 mm)  
Blade Rotation. . . . . . . . . . . . . . . . . . . . . . . . . From left to right, CW, CCW, CCW to cut wheel track material  
540 rpm blade Tip Speed . . . . . . . . . . . . . . . . 16,087 ft./min. (81.7 m/s)  
1000 rpm Blade Tip Speed. . . . . . . . . . . . . . . 16,346 ft./min. (83 m/s)  
From left to right, CW, CCW, CCW to cut wheel track material  
16,087 ft./min. (81.7 m/s)  
16,346 ft./min. (83 m/s)  
Material Flow System . . . . . . . . . . . . . . . . . . Smooth, obstruction-free ‘’Max Flow’’ cutting chamber for a clean cut and no windrows  
Blade Holder, Diameter . . . . . . . . . . . . . . . . . 31.7-in. (805 mm) bar or stump jumper for protection of blades  
and carrier against obstruction damage and standard deck rings  
Hydraulics:  
Wing Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Standard, includes spring-assist unfolding  
Wing Flex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 degrees up, 22 degrees down  
31.7-in. (805) bar or stump jumper for maximum protection of blades  
and blade carrier against obstruction damage  
Standard, includes spring-assist unfolding  
90 degrees up, 22 degrees down  
Wheels:  
Type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-bolt 21×5.25×9 laminated or 24×8×14-20PR Severe-duty Ag Tire  
Suspension. . . . . . . . . . . . . . . . . . . . . . . . . . . . Spring suspension on all 4 wheel standards  
5-bolt 21×5.25×9 laminated or 26×9×14.5-24 PR Severe-duty Ag Tire  
‘’Ground Control’’ suspension with air springs and shock absorbers on all  
4 wheel standards for better durability of axles and axle-to-frame interface  
Yes for most row spacings  
Row Width Adjustable . . . . . . . . . . . . . . . . . . Yes for most row spacings  
Wing Leveling Adjustment . . . . . . . . . . . . . . Easy-adjust turnbuckle with bearing  
Easy-adjust turnbuckle with bearing  
Shielding:  
Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chain, double-row chain, or rubber protected behind front frame  
Chain, double-row chain, or rubber protected behind front frame  
Rear. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chain, double-row chain, or rubber  
Gearcase Warranty . . . . . . . . . . . . . . . . . . . . 3 years  
Chain, double-row chain, or rubber  
3 years  
* Splined profiles telescope easier under load and provide longer life.  
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