KR Rotary Drum Cutter

Rotary drum cutters with spur gears for excavators from 1-125T

Traditional style rotary drum cutters from KEMROC are now also available. Designed to be incredibly robust, these attachments are ideal for use on short arm excavators working in confined spaces, especially in tunnelling and also for the vibration-free and silent demolition of re-enforced concrete structures.

Model	Recommended excavator weight	Rated power	Drum cutter length (A)	Cutter head width (B)	Cutter drum diameter (C)	Maximum torque at 380 bar	Maximum cutting force at 380 bar
KR 15	0.6 – 3 t	15 kW	628 mm	425 mm	225 mm	1,000 Nm	8,889 N
KR 18	2 – 4 t	18 kW	628 mm	425 mm	225 mm	2,000 Nm	17,778 N
KR 30	5 – 8 t	30 kW	846 mm	520 mm	370 mm	4,500 Nm	24,324 N
KR 35	5 – 8 t	30 kW	848 mm	620 mm	370 mm	4,500 Nm	24,324 N
KR 45	9 – 15 t	45 kW	990 mm	600 mm	400 mm	6,300 Nm	31,500 N
KR 50	9 – 15 t	45 kW	1,014 mm	690 mm	450 mm	6,300 Nm	28,000 N
KR 65	12 – 18 t	65 kW	1,195 mm	805 mm	587 mm	11,300 Nm	38,501 N
KR 80	15 – 25 t	80 kW	1,235 mm	805 mm	575 mm	15,200 Nm	52,870 N
KR 110 C	20 – 35 t	110 kW	1,470 mm	880 mm	718 mm	20,200 Nm	56,267 N
KR 110	20 – 35 t	110 kW	1,470 mm	1,040 mm	718 mm	20,200 Nm	56,267 N
KR 120	20 – 45 t	120 kW	1,470 mm	1,040 mm	718 mm	25,400 Nm	70,752 N
KR 150 C	30 – 50 t	120 kW	1,470 mm	880 mm	718 mm	30,300 Nm	84,401 N
KR 150	30 – 50 t	120 kW	1,470 mm	1,040 mm	718 mm	30,300 Nm	84,401 N
KR 160	35 – 55 t	160 kW	1,596 mm	1,050 mm	718 mm	36,400 Nm	101,393 N
KR 165	35 – 55 t	160 kW	1,590 mm	1,250 mm	720 mm	36,400 Nm	101,111 N
KR 200	50 – 70 t	200 kW	1,650 mm	1,330 mm	805 mm	51,000 Nm	126,708 N
KR 400	80 – 125 t	400 kW	1,970 mm	1,600 mm	920 mm	118,500 Nm	257,609 N

Model	Recommended rotation speed	Recommended oil flow	Maximum oil flow at 10 bar	Maximum hydraulic pressure	Weight	Number of picks	Standard pick
KR 15	100 rpm	15 – 25 l/min	40 l/min	400 bar	155 kg	44 pcs	15/29/26/14 C
KR 18	100 rpm	25 – 40 l/min	60 l/min	400 bar	155 kg	44 pcs	15/29/26/14 C
KR 30	100 rpm	50 – 80 l/min	90 l/min	400 bar	310 kg	44 pcs	12/45/38/20 K
KR 35	100 rpm	50 – 80 l/min	90 l/min	400 bar	340 kg	64 pcs	12/45/38/20 K
KR 45	90 rpm	90 – 120 l/min	130 l/min	400 bar	480 kg	44 pcs	12/45/38/20 K
KR 50	90 rpm	90 – 120 l/min	130 l/min	400 bar	530 kg	44 pcs	22/45/38/22 HC
KR 65	80 rpm	120 – 150 l/min	170 l/min	400 bar	892 kg	44 pcs	17/75/70/30 Q
KR 80	80 rpm	150 – 190 l/min	210 l/min	400 bar	1,070 kg	44 pcs	17/75/70/30 Q
KR 110 C	75 rpm	200 – 280 l/min	300 l/min	400 bar	1,780 kg	44 pcs	17/75/70/30 Q
KR 110	75 rpm	200 – 280 l/min	300 l/min	400 bar	2,000 kg	56 pcs	17/75/70/30 Q
KR 120	75 rpm	250 – 320 l/min	350 l/min	400 bar	2,000 kg	56 pcs	17/75/70/30 Q
KR 150 C	70 rpm	250 – 320 l/min	360 l/min	400 bar	1,780 kg	44 pcs	17/75/70/30 Q
KR 150	70 rpm	250 – 320 l/min	360 l/min	400 bar	2,000 kg	56 pcs	17/75/70/30 Q
KR 160	65 rpm	300 – 390 l/min	400 l/min	400 bar	2,500 kg	56 pcs	17/75/70/30 Q
KR 165	65 rpm	300 – 390 l/min	400 l/min	400 bar	2,800 kg	64 pcs	17/75/70/30 Q
KR 200	55 rpm	350 – 450 l/min	500 l/min	380 bar	3,500 kg	64 pcs	25/80/80/38 S
KR 400	50 rpm	700 – 950 l/min	1,000 l/min	380 bar	6,000 kg	68 pcs	25/80/80/38 S

KR Rotary Drum Cutter

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