Vari BDR-620, User Manual, Page: 17 / 59

BDR-620 , BDR-620B
2.3 Basic information
2.3.1 Machine use
BDR-620 , BDR-620B drum mower is designed and manufactured according to the most current knowledge in the field of small garden and agricultural
machinery. It is characterised by its easy handling, quiet, efficient and economy engine, as well as by trouble-free maintenance.
This mower is designed for cutting high-grown thin-bladed grass stands on maintained areas maximum height of these is 60 cm. There must be no solid
objects in the stands or extensive surface unevenness. The mower is not designed for park grass stand care and for mowing of stands with even minimum
occurrence of self-seeding woody species

It is forbidden to remove any protective devices and covers from the machines.
2.3.1.1 Technical information
BDR-620 , BDR-620BD Unit BDR-620 BDR-620B
Length mm 1730
Width (including the side screen) mm 795
Height mm 1191
Weight kg 61 60
Maximum cutting width cm 62,2
Safe climbing ability
∠
10°
Cutting disk revolutions
39
min
-1
1964
Maximum blade circumferential velocity m.s -1 64
Travelling speed km.h -1 2,0 - 2,8
Area capacity 40 m 2 .h -1 1224 - 1680
Gearbox oil capacity l (litre) 0,025
Gearbox oil quality
API GL-4 (GL-5)
SAE 90 (80W-90)
Tab. 3: Technical information for BDR-620 , BDR-620BD
Engine Unit Value
Type - HONDA GCV190
Briggs & Stratton 850 Series
™
Engine displacement cm 3 187 190
Bore x stroke mm 69 x 50 68,3 x 51,8
Max. power/at rpm (HP) kW/min -1 (HP) 3,8/3600 (5,1) 41 3,8/3200 (5,1)
Max. torque/at rpm N.m/min -1 11,3/2500 42 11,5/2600
Maximum (set) engine rpm min -1 3200 ± 100 3200 ± 100
Fuel consumption l (litre) 1,3 per 3000 rpm
1,7
per
3060 rpm
Maximum engine tilt (long period)
∠
20° 15°
Maximum engine tilt (short period 43 ) ∠ 30° 44 30°
Fuel tank volume l (litre) 0,91 1,1
Fuel (unleaded) petrol ON 91-95 ON
91-95
Engine oil filling l (litre) 0,55 0,6
Oil quality SAE
SAE 10W-30
SAE 30
SAE 10W-30
SAE 30
Ignition plug -
NKG BPR6ES CHAMPION QC12YC
BRISK LR15YC BRISK DR17YC
Tab. 4: Engine technical information
39 Actual rpm. of the disc when not cutting, including belt transmission losses.
40 Square meters cut per min./hour will vary, depending on the type of the stand.
41 Measured according to new Society of Automotive Engineers (SAE) J1349 standard
42 Measured according to new Society of Automotive Engineers (SAE) J1349 standard
43 Short period – up to 1 minute.
44 Measured according to new Society of Automotive Engineers (SAE) J1349 standard
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