Heavy Duty Diesel Engine Movable Portable Screw Air Compressor

A diesel driven compressor is an independent air supply device that uses a diesel engine as a power source to drive the compressor screw air end.

ROCKY CATALOG 2025 VERSION Rocky High Pressure Gas Booster Compressor Catalog Rocky High Pressure Breathing Air Compressor Catalog 2025 Rocky Medium High pressure air compressor catalog

Product Features

1. Self-powered

No external power supply is required, and the power system is self-contained.

2. Mobility

It is often integrated on a trailer or skid, which is convenient for field operations (such as mines and construction sites).

3. High reliability

The diesel engine can adapt to extreme environments (high temperature, high humidity, and high altitude).

Rocky Portable Diesel Driven Screw Air Compressors (Single-stage)
Model	RKY-3.5/7	RKY-5/7	RKY-6/7	RKY-10/10	RKY-10/12	RKY-12/7	RKY-12.5/14	RKY-14/14	RKY-15/15	RKY-16/17	RKY-18/17	RKY-21/10	RKY-23/14
Volume flow (m³/min)	3.5	5	6.05	10	10	12	12.5	14	15	16	18	21	23
Working pressure（Barg)	7	7	7	10	12	7	14	14	15	17	17	10	14
Fuel tank volume(L)	45	70	100	140	160	160	160	160	280	280	280	360	360
Maximum ambient temperature(℃)	50	50	50	50	50	50	50	50	50	50	50	50	50
Compression stage	1	1	1	1	1	1	1	1	1	1	1	1	1
Engine brand	YANGMA	WEICHAI	WEICHAI	CUMMINS	CUMMINS	CUMMINS	CUMMINS	CUMMINS	CUMMINS	CUMMINS	CUMMINS	CUMMINS	CUMMINS
Engine model	3TNV88	WP3.2G50E347	WP3.2G61E317	QSB3.9-C130	QSB3.9-C130	QSB3.9-C125	QSB5.9-C180	QSB5.9-C210	QSB6.7-C240	QSB6.7-C240	QSC8.3-C260	QSB6.7-C240	QSL8.9-C325
Engine power(KW)	26.8	36.8	45	97	97	93	132	154	178	194	194	178	242
Maximum engine speed(Rpm)	3000	2500	2500	2200	2500	2300	2000	2200	2000	2200	2400	2000	2100
Minimum engine speed(Rpm)	1800	1750	1750	1500	1500	1500	1500	1500	1500	1500	1500	1500	1500
Wheels Qty	2	2	2	2	2	2	2	2	4	4	4	4	4
Noise level(dB)	75±3	75±3	75±3	80±3	80±3	80±3	85±3	85±3	85±3	85±3	88±3	88±3	88±3
Overall weight (kg)	880	1200	1550	1820	1840	1860	2020	2220	2750	2780	2910	2840	3020
Dimensions(LWH)mm	285312721092	323014401425	330015701560	380019001900	380019001900	380019001900	435019601950	435019601950	398018602450	398018602450	398018602450	458019502500	458019502500
Air outlet (inch)	2*G3/4	G1,G3/4	G1-1/4,*G1	G1-1/2, 2*G1-1/4			G1-1/2, 2*G1-1/4		G1-1/2, 3*G1-1/4

Rocky Portable Diesel Driven Screw Air Compressors (RKYII Two-stage)
Model	RKYII-27/12	RKYII-30/10	RKYII-18/25	RKYII-34/9	RKYII-30/12	RKYII-25/18	RKYII-25/20	RKYII-30/25	RKYII-31/20	RKYII-35/25	RKYII-34/30
Volume flow (m³/min)	27	30	18	34	30	25	25	30	31.3	35	34
Working pressure（Barg)	12	10	25	9	12	18	20	25	20	25	30
Fuel tank volume(L)	420	420	420	480	480	480	480	760	760	840	840
Maximum ambient temperature(℃)	50	50	50	50	50	50	50	50	50	50	50
Compression stage	2	2	2	2	2	2	2	2	2	2	2
Engine brand	CUMMINS	CUMMINS	CUMMINS	CUMMINS	CUMMINS	CUMMINS	CUMMINS	CUMMINS	CUMMINS	CUMMINS	CUMMINS
Engine model	QSL8.9-C325	QSL8.9-C325	QSL8.9-C325	QSL8.9-C360	QSL8.9-C360	QSL8.9-C360	QSL8.9-C360	QSZ13-C525	SZ13-C475	QSZ13-C575	QSZ13-C575
Engine power(KW)	242	242	242	264	264	264	264	391	354	429	429
Maximum engine speed(Rpm)	2100	2100	2100	2100	2100	2100	2100	1900	1900	1900	1900
Minimum engine speed(Rpm)	1500	1500	1500	1500	1500	1500	1500	1400	1400	1400	1400
Wheels Qty	4	4	4	4	4	4	4	4	4	4	4
Noise level(dB)	88±3	88±3	88±3	88±3	88±3	88±3	88±3	88±3	88±3	88±3	88±3
Overall weight (kg)	4800	5150	5310	5500	5500	5610	5230	5080	5080	7520	7560
Dimensions(LWH)mm	540021002550	540021002550	540021002550	560021002550	560021002550	560021002550	565021002550	565021002550	565021002550	565021002550	565021002550
Air outlet (inch)	5 pcs in total (2G1-1/2, 2G1-1/4, 1*G1)			5 pcs in total (2G1-1/2, 3G1-1/4）		5 pcs in total (2G1-1/2, 3G1-1/4）		5 pcs in total (2G1-1/2, 2G1-1/4, 1*G1)

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