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INTRODUCTION
FN180/FN120 01/11 Introduction Section 2-3
© 2011 Alamo Group Inc.
INTRODUCTION
The Rhino Model FN180/FN120 Rotary Cutter is designed primarily for weed, grass, and brush up to 5"
diameter and consists of a center unit with two variable position wings together having a cutting width of 15-10-
1/2feet. Wing operating angles and machine cutting height are independently controlled using hydraulic
cylinders. A self-leveling linkage maintains a level cutter at all cutting heights. Power from the tractor PTO is
split at the power divider gearbox and supplied to each of the blade gearboxes. Each blade gearbox has two
free-swinging uplift blades designed to cut grass, corn stalks and light brush. Free-swinging blades reduce the
shock of impact when a stationary object is hit. Slip clutches are installed on each gearbox for additional
protection. Front and rear discharge shields are included as standard equipment.
Equipment Specifications
FN180 FN120
Cutting Width 180” 126”
Transport Width 96”” 86-3/8””Center
Overall Width 186” 133”
Overall Length 183” 183”Wings
Cutting Height 2” - 14” 2” - 14”
HP Required (min) 70HP 70HP
Cutting Capacity(max) 5” 5”
Drawbar Load Rating(min) 3200 lbs 3200lbs
Wing Flex Up 90° 90°
Wing Flex Down 22° 22°
Tongue Weight 2000 lbs 2020 lbs
Overall Weight 5970 lbs 6020 lbs
Blade Tip Speed 540 PTO 540 PTO
Center 13,995 FPM 13,955 FPM
1000 PTO 1000 PTO”
13,960FPM 13960 FPM
540 PTO 540 PTO
Wing 15,162 15,162
1000 PTO 1000 PTO
16,630 16630
”
Gearbox Rating
Power Divider 325 HP 325 HP
Center & Wings 285 HP 285 HP
Limited Warranty 6 Year 6 Year
Driveline Size
Main CAT 6 CV CAT 6 CV
Wings CAT 6 HD CAT 6 HD
Limited Warranty 2 Year 2 Year