Operator’s manual
Front disc mower
KDF 390
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3.1. Technical data
Tab. 2. Technical data
Model KDF 390
Working width 3.9 m
Number of knives [pcs.] 18 (2x9)
FORTSCHRITT PTO rpm 1000 rpm
FORTSCHRITT power required 60 kW (82 KM)
Working capacity at V = 8 km/h about 3,00 ha/h
Swath width about 1,40 - 2,30 m
Transport width about 3.9 m
Operation width about 4.5 m
Weight 820 kg
3.2. Design and working principle
The construction of KDF 390 mower shown in Fig. 2.
The drive on the cutterbar (3) is transmitted from mower FORTSCHRITT through jointed
shaft intersecting axis gear (4), PTO shaft (6) and intersecting axis gear (5).
On the cutterbar (3) there are discs with two knives each.
Cutterbar (3) is connected to the main frame (2), to which the suspension frame (1) is linked.
Suspension frame is connected to FORTSCHRITT by means of four pins. Over the cutterbar (2)
there are safety guards (10) and swath discs (7).
Fig. 2. Parts of SaMASZ front disc mower KDF 390
1 – Suspension frame
2 – Main frame
3 – Cutterbar
4 – Intersecting axis gear
6 – PTO shaft
7 – Swath discs
8 – Joint shaft
9 – Regulating bars
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