KR range

KEMROC rotary drum cutters – proven concepts made better

KR range

Rotary drum cutters with spur gears for excavators from 1 to 125 t

FEATURES

Extra heavy-duty, rigid gear box housing
Equipped for optional water spray dust suppression system
High torque motors for maximum cutting force
Cutter tool pattern on drums designed for optimum energy saving efficiency
Drums supported on heavy-duty bearings
Exceptional wear protection on the gearbox
Protected hose management

APPLICATIONS

Tunnelling
Demolition
Also used for trenching and pipeline work, renovating concrete, profiling, mining of soft minerals and underwater excavating

Gear drive

Compare ranges

kr_deep

	KR 15	KR 18	KR 30	KR 35	KR 45	KR 50	KR 65	KR 80	KR 110 C	KR 110	KR 120	KR 150 C	KR 150	KR 160	KR 165	KR 200	KR 400
Recommended excavator weight	0.6 – 3 t	2 – 4 t	5 – 8 t	5 – 8 t	9 – 15 t	9 – 15 t	12 – 18 t	15 – 25 t	20 – 35 t	20 – 35 t	20 – 45 t	30 – 50 t	30 – 50 t	35 – 55 t	35 – 55 t	50 – 70 t	80 – 125 t
Rated power	15 kW	18 kW	30 kW	30 kW	45 kW	45 kW	65 kW	80 kW	110 kW	110 kW	120 kW	120 kW	120 kW	160 kW	160 kW	200 kW	400 kW
Drum cutter length (A)	628 mm	628 mm	846 mm	848 mm	990 mm	1,014 mm	1,195 mm	1,235 mm	1,470 mm	1,470 mm	1,470 mm	1,470 mm	1,470 mm	1,596 mm	1,590 mm	1,650 mm	1,970 mm
Cutter head width (B)	425 mm	425 mm	520 mm	620 mm	600 mm	690 mm	805 mm	805 mm	880 mm	1,040 mm	1,040 mm	880 mm	1,040 mm	1,050 mm	1,250 mm	1,330 mm	1,600 mm
Cutter drum diameter (C)	225 mm	225 mm	370 mm	370 mm	400 mm	450 mm	587 mm	575 mm	718 mm	718 mm	718 mm	718 mm	718 mm	718 mm	720 mm	805 mm	920 mm
Maximum torque at 380 bar	1,000 Nm	2,000 Nm	4,500 Nm	4,500 Nm	6,300 Nm	6,300 Nm	11,300 Nm	15,200 Nm	20,200 Nm	20,200 Nm	25,400 Nm	30,300 Nm	30,300 Nm	36,400 Nm	36,400 Nm	51,000 Nm	118,500 Nm
Maximum cutting force at 380 bar	8,889 N	17,778 N	24,324 N	24,324 N	31,500 N	28,000 N	38,501 N	52,870 N	56,267 N	56,267 N	70,752 N	84,401 N	84,401 N	101,393 N	101,111 N	126,708 N	257,609 N
Recommended rotation speed	100 rpm	100 rpm	100 rpm	100 rpm	90 rpm	90 rpm	80 rpm	80 rpm	75 rpm	75 rpm	75 rpm	70 rpm	70 rpm	65 rpm	65 rpm	55 rpm	50 rpm
Recommended oil flow	15 – 25 l/min	25 – 40 l/min	50 – 80 l/min	50 – 80 l/min	90 – 120 l/min	90 – 120 l/min	120 – 150 l/min	150 – 190 l/min	200 – 280 l/min	200 – 280 l/min	250 – 320 l/min	250 – 320 l/min	250 – 320 l/min	300 – 390 l/min	300 – 390 l/min	350 – 450 l/min	700 – 950 l/min
Maximum oil flow at 10 bar	40 l/min	60 l/min	90 l/min	90 l/min	130 l/min	130 l/min	170 l/min	210 l/min	300 l/min	300 l/min	350 l/min	360 l/min	360 l/min	400 l/min	400 l/min	500 l/min	1,000 l/min
Maximum hydraulic pressure	400 bar	400 bar	400 bar	400 bar	400 bar	400 bar	400 bar	400 bar	400 bar	400 bar	400 bar	400 bar	400 bar	400 bar	400 bar	380 bar	380 bar
Weight	155 kg	155 kg	310 kg	340 kg	480 kg	530 kg	892 kg	1,070 kg	1,780 kg	2,000 kg	2,000 kg	1,780 kg	2,000 kg	2,500 kg	2,800 kg	3,500 kg	6,000 kg
Number of picks	44 pcs	44 pcs	44 pcs	64 pcs	44 pcs	44 pcs	44 pcs	44 pcs	44 pcs	56 pcs	56 pcs	44 pcs	56 pcs	56 pcs	64 pcs	64 pcs	68 pcs
Standard pick	15/29/26/14 C	15/29/26/14 C	12/45/38/20 K	12/45/38/20 K	12/45/38/20 K	22/45/38/22 HC	17/75/70/30 Q	17/75/70/30 Q	17/75/70/30 Q	17/75/70/30 Q	17/75/70/30 Q	17/75/70/30 Q	17/75/70/30 Q	17/75/70/30 Q	17/75/70/30 Q	25/80/80/38 S	25/80/80/38 S
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KEMROC Spezialmaschinen GmbH

Production and Service
Ahornstraße 6
36469 Hämbach
Germany

Phone +49 3695 850 2550
Fax +49 3695 850 2579

E-Mail info@kemroc.de

revolution of cutting