Quality hay starts with
Frontier Disc Mowers
Medium-Duty and Heavy-Duty Disc Mowers
High-performance mowing at economical prices
For higher quality hay, go with a
Frontier Disc Mower. These durable
machines are designed and built for
reliable, quality hay cutting … field
after field. The compact mower unit
and low-profile design keeps the
cutter bar even with the ground for a
uniform cut. Plus, the rugged frame
keeps the machine rolling through
rough fields and heavy, tough crops.
These Frontier Disc Mowers are
economically priced but don’t sacrifice
quality. High-quality, helical-shaped
knives ensure clean cutting, even in
dense crops, and are secured with
heavy, heat-treated steel bolts for
additional safety. Oval-shaped discs
provide maximum knife overlap and
allow cut crop to flow efficiently
through the mower. You get clean
and even mowing action, and almost
no risk of wrapping of grass between
the discs.
MoDelS
Frontier Disc Mowers are available
in a wide variety of cutting widths
to match your operation. From the
smaller DM1140, to the heavy-duty
DM1270, these disc mowers are
designed and built for reliable
performance and maximum
efficiency in fields of all sizes.
DM1150
DM1140
Each oval disc contains largediameter forged gearwheels and drive
pinions for high performance and
time-proven resistance. Disc pinion
shafts are mounted on robust ball
bearings and are secured with a
self-locking nut to the splined pinion
shaft. Idler gear fasteners are located
in heat-treated steel cups welded to
the gear pans — there’s no risk of
wear or distortion. And thick O-rings
seal the cutter bar gear case and pans
to keep dirt out.
Frontier Disc Mowers are backed
with a one-year warranty and the best
dealer network in the industry –
John Deere. To help you choose the
right Frontier Disc Mower, talk to your
John Deere dealer, your exclusive
distributor of Frontier Equipment.
www.BuyFrontier.com
DM1270
DM1160
The heavy-duty DM1270 comes
standard with heat-treated discs and
thicker knives for hours of non-stop
use by large hay producers. It also
features an overrun PTO clutch with
standard extended swath boards and
disc cones to make it comparable to
higher-end disc mowers.
DetailS - DiSc MowerS
Inside each disc is a state-of-the-art disc pinion shaft. The shaft
bearings are positioned in respect to the blade line of force for
balanced operation and longer bearing service life. The oval shape
of the disc ensures maximum knife overlap, and the ribbed profile
allows material to flow cleanly and efficiently through the mower.
The compensating spring keeps the cutter bar level with the ground
when mowing rolling terrain and ditches. Spring tension is adjusted by
changing the mainframe height with the tractor’s 3-point lift. A safety
breakaway mechanism allows the unit to swing backwards to reduce
impact should an obstacle be struck.
The cutter bar on the DM1140 (right)
can be equipped with a manual
crank. The DM1140, DM1150,
DM1160, and DM1270 come
standard with hydraulic lift, which
makes quick work of big fields by
keeping you in the tractor seat.
Each disc mower folds to a compact vertical width for safe transport.
The machine’s center of gravity is transferred close to the tractor for
stability. A locking rod secures the cutter bar for additional safety.
For added safety if a knife bends,
deflector shields between the
guards keep the knife from
cutting the mower unit’s
housing.
The helical shape of the cutting
knives ensures clean cutting,
even in dense crops. For safe
operation, knives are secured
with heavy-duty, heat-treated
steel bolts — not a quick-fitting
system — and each bolt and
lock-nut is protected
from wear.
Heat-treated steel guards protect
the discs from striking low-lying
objects while skid shoes help shield
the cutter bar from abrasive surfacelevel material.
Frontier Disc Mowers:
Rugged. Reliable. Ready.
SPECIFICATIONS
Model DM1140 DM1150 DM1160 DM1270
Hitch
PTO drive
PTO horsepower
Cutting width
Average swath width
Operating weight
Discs
Knives
Heavy-duty discs & knives
Cutterbar lift mechanism
Hydraulic outlet
Belt drive
Inner swath board
Outer swath board
Inner disc cone
Outer disc cone
Safety breakway
Warranty
3 point: Category
1 or 2
540 rpm
(overrun clutch optional)
28 hp 35 hp 42 hp 50 hp
5 ft. 3 in. (1.6 m) 6 ft. 7 in. (2.0 m) 7 ft. 10 in. (2.4 m) 9 ft. 2 in. (2.8 m)
3 ft. 11 in. (1.2 m) 4 ft. 7 in. (1.4 m) 5 ft. 11 in. (1.8 m) 7 ft. 3 in. (2.2 m)
805 lb. (366 kg) 891 lb. (405 kg) 995 lb. (452 kg) 1,166 lb. (530 kg)
4, oval shaped,
ribbed profile
8 10 12 14, heavy duty
Optional Optional Optional Standard
Hydraulic
(optional mechanical)
1 single-acting valve 1 single-acting valve 1 single-acting valve 1 single-acting valve
Set of 3 V-belts
with tensioner
— Optional Optional Standard
Standard Standard Standard Standard
— Optional Standard Standard
Standard Standard Standard Standard
Standard Standard Standard Standard
1 year 1 year 1 year 1 year
3 point: Category
1 or 2
540 rpm
(overrun clutch optional)
5, oval shaped,
ribbed profile
Hydraulic Hydraulic Hydraulic
Set of 4 V-belts
with tensioner
3 point: Category
1 or 2
540 rpm
(overrun clutch optional)
6, oval shaped,
ribbed profile
Set of 4 V-belts
with tensioner
3 point: Category
1 or 2
540 rpm
(overrun clutch standard)
7, heavy duty, oval shaped,
ribbed profile
Set of 4 V-belts
with tensioner
Frontier Disc Mowers meet ASAE safety requirements.
Stones and other objects can be thrown a great distance by the rotating cutting blades. Therefore, do not operate a disc mower near other people or close to buildings.
To reduce the potential for thrown objects, always operate the disc mower with the cutter bar cover in the down position. In addition, these disc mowers should be used with
tractors that have a factory-installed tractor cab.
Kick your haymaking into high gear with Frontier
Frontier offers a full line of
haymaking tools, including
tedders that efficiently
preserve the nutrient value
of your crop so you can bale
your hay faster. Check out the
entire line of rugged, reliable
Frontier hay tools at your
local John Deere Dealer.
This literature has been compiled for worldwide circulation. While general information, pictures, and
descriptions are provided, some illustrations and text may include finance, credit, insurance, product
options, and accessories NOT AVAILABLE in all regions. PLEASE CONTACT YOUR LOCAL DEALER FOR DETAILS.
Frontier Equipment reserves the right to change specifications, design, and price of products described in
this literature without notice. Copyright 2009, Frontier Equipment.
DSFB43620 Litho in U.S.A. (09-06)
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