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OPERATION
FX17/FX21 02/11 Operation Section 4-3
© 2011 Alamo Group Inc.
OPERATION
1. Standard Equipment and Specifications
FX17 FX21
Horsepower Required (Min.) 40 HP 45 HP
Tractor PTO 540 RPM 540 RPM
Cutting Capacity Grass & Small Weeds Grass & Small Weeds
Cutting Height 1”-6”-12 Adjustments 1”-6”-12 Adjustments
Transport Width 96” 96”
Transport Height 88” 88”
Rear Safety Deflectors Standard Standard
Overall Width 204” 258”
Overall Length (Mowing) 156” 156”
Overall Length (Transport) 156” 156”
Decks Two 62”, One 88” three 88”
Mower Head Overlap 6” 6”
Overall Weight (Approximate) 4450 lbs. 4674 lbs.
Max. Tongue Weight (Approximate) 700 lbs. 745 lbs.
Wing Lift Hydraulic Hydraulic
Operating Wing Flex Range 30° Up - 30° Down 30° Up - 30° Down
Jack Stand/Tow Chain Standard Standard
Hitch Adjustable Clevis Adjustable Clevis
Blades Reversible Reversible
Number of Blades Per Head:
62” Fine Cut 76 Pair N/A
Coarse Cut 36 Pair N/A
88” Fine Cut 108 Pair 108 Pair
Coarse Cut 44 Pair 44 Pair
Blade Rotation Reversible Reversible
Main Drive Belt 5 Groove Powerband 5 Groove Powerband
Belt and Pulley Guard Standard Standard
Automatic Wing Transport Lock Standard Standard
Replaceable Skid Shoes Standard Standard
Driveline (Main) Cat 4, Constant Velocity Cat 4, Constant Velocity
Driveline (Rear) Cat 4 Cat 4
Driveline (Wing) Cat 3 Cat 3
Gearbox Rating (Main) 150 HP 150 HP
Blade Tip Speed 8900 fpm 8900 fpm
Transport Wheels 11L-15 11L-15
Transport Wheels Width 92” 92”
Cuttershaft Diameter 4-1/2” 4-1/2”
Cuttershaft Speed 2220 RPM 2220 RPM
Hood Thickness 10 Gauge 10 Gauge
*Ratings based on actual field performance.
The Mower is designed for certain mowing applications and is rated to cut up to a specific
size vegetation (see Mower Standard Equipment and Specifications). DO NOT use this
mower to cut vegetation above the Mower’s rated capacity or to cut any type of non-
vegetative material. Only operate this Mower on a properly sized and equipped Tractor.
Operating this Mower in an application for which it is not designed and/or operating the
Mower with the wrong size Tractor can cause Mower component damage and equipment
failure resulting in possible serious injury or death.
(SGM-14)