Section 5: Specifications & Capacities
OFM3678, OFM3690 & OFM3698 Offset Flail Mowers 333-149M
6/11/21
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Section 5: Specifications & Capacities
Specification & Capacities
OFM36 Series Offset Flail Mower
Description
Units
OFM3678
OFM3690
OFM3698
Minimum horsepower
hp (Kw)
70 (52)
Maximum horsepower
hp (Kw)
130 (97)
Hitch category
Cat. I & Cat. II
Driveline category
Cat 3
Gearbox Oil Capacity
pt (L)
12.7 (1.2) SAE 80-90 W Gear Lube
Overall dimensions
Refer to
Width (W)
in (cm)
102" (260)
114" (290)
122" (310)
Depth (D)
in (cm)
80" (204)
80" (204)
80" (204)
Height (H)
in (cm)
45" (113)
45" (113)
45" (113)
Weight (without driveline)
lb (kg)
1,985 (900)
2,117 (960)
2,205 (1000)
Working width
in (cm)
78" (200)
90" (230)
98" (250)
Deck thickness
gauge (mm)
8 (4)
End panel thickness
in (mm)
3/8" (10)
Offsets Right
in (cm)
Refer to
Offset (R) = 49" (125 cm)
Flail head rotation angle
65
o
up or down
Cutting Capacity
in (cm)
2" (5)
Roller adjustable cutting height
in (cm)
1" - 2 3/4" (25 - 70)
Power take-off speed
rpm
540
Rotor speed
rpm
1858
Blade tip speed
fpm (mpm)
8460 (2579)
Rotor shaft diameter
in (cm)
2" (5)
Rotor diameter
in (cm)
6.5" (16.5)
Rotor swing diameter
in (cm)
18" (46)
Number of hammer blades
26
30
32
Number of drive belts
5
R
W
D
H
Overall Dimensions
Figure 5-1
Offset Dimension
Figure 5-2