Section 7: Specifications & Capacities
5/24/19
DB2660 & DBM2660 Ditch Bank Rotary Cutter 316-317M
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Section 7: Specifications & Capacities
DB2660 & DBM2660 Models
Specifications & Capacities
Tractor horsepower
hp (kW)
75 (55.9) Minimum
Minimum tractor lift capacity
lbs (kg)
2500 (1134)
Minimum tractor weight
lbs (kg)
7000 (3175.1) without added weights
Weight
lbs (kg)
1792 (812.8) With front & rear chain guards, side gauge wheel, Ditch Bank
mounted speed increaser, & Case weight hanger. Without fluid in reservoir)
Hitch type
Cat. ll or Cat. ll/lll Quick Hitch. Clevis style lower hitch.
Tractor power take-off speed
DB2660 = 540 rpm; DBM2660 = 1000 rpm
Cutting width
in (m)
58 (1.47)
Transport width, minimum
in (m)
10’ - 1" (3.07) without gauge wheels
Overall width (fully retracted
with optional weight bracket)
in (m)
10' - 3 3/4" (3.14)
Minimum cutting height
(Deck level)
in (cm)
2 (5.1) Minimum
Maximum is dependent upon 3-point lift height.
Horizontal cutting extension
in (cm)
32 (81.3)
Maximum horizontal
reach from center of tractor
in (m)
13’-2" (4.01)
Deck rotation
85
o
up, 95
o
down
Blade tip speed
fpm (mps)
15600 (79.2)
Number of blades & size
in (mm)
2, 1/2 (13) x 4 (102)
Blade rotation
Clockwise
Blade bolt
in (cm)
1 1/2 (3.8) With keyway, harden flat washer, and locknut
Dishpan
in (mm)
3/16 (5) X 21 (533) Round, dish-shaped
Cutting capacity
in (cm)
2 (5.1) diameter
Deck thickness
GA (mm)
10 (3.4)
Side skirt thickness
in (mm)
3/16 (5)
Speed Increaser
fluid capacity
pints (L)
NOTE:
Refer to metal tag on speed increaser for vendor name (BIMA or Comer).
Tractor mount, refer to Figure 6-4 on page 46.
BIMA = 1 1/2 (.71)
Comer = 2 (.95)
Ditch Bank mount, refer to Figure 6-5 on page 46.
BIMA = 2 (.95)
Comer = 1 (.47)
Speed increaser fluid
80-90W EP Gearlube
Hydraulic fluid
Mobilfluid 424 For alternate fluids, search on the web for
“Mobilfluid 424” or go to
Reservoir capacity and filter
Gal (L)
35 (132.5) / conventional 10 micron filter
Method to check oil capacity
Dipstick
Hydraulic fluid flow rate
gpm (Lpm) 15 gpm (approx.)
Overload protection
Hydraulic relief valve
Driveline (optional)
ASAE category 4
Skid shoes
in (mm)
2 1/2 (64) Wide x 1/4 (6) thick & replaceable
Gauge wheel (optional)
4 x 8 Laminated tire with greasable caged roller bearings.
Gauge wheel adjustment
Manual
SMV Sign (Accessory)
SMV decal on galvanized steel back sign and plated or galvanized blade mount.