External Gear Pumps

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Hydraulic pumps

Technical Information

Displacement: 3~30cm³/rev.
Rotation direction: clockwise (D), counter-clockwise(S), reversible (R)
Min. speed: 400~800r/min
Max. speed: 2500~4000r/min
Peak pressure: 180~300bar

Served Industry

Agricultural machinery, Construction machinery, Aerial work platform, Hydraulic system

Features

Low noise, high efficiency, long life service
High performance even at low speeds
Multiple oil port and shaft extension options available
Leakage-free shaft seal
Optional built-in overflow valve
Optional reversible pump and motor

Group 2 External Gear Pump Technical Parameter

Displacement	Suction absolute pressure	Max. continuous pressure	Max. intermittent pressure	Max. peak pressure	Min. speed	Max. speed	Volumetric efficiency
V	Pe	P1	P2	P3	nmin	nmax	ηv
cm³/rev	bar				r/min		%
3	0.7...3	270	285	300	800	4000	≥91
4					600
6
8					500	3500
10							≥92
12
14		250	265	280		3200
16
18					400		≥93
20		220	235	250
22						3000
25		200	215	230			≥95
28		180	190	200		2500
30		160	170	180

Group 2 External Gear Pump Ordering Code Rules

Standard Dimensions of Group 2 External Gear Pumps

Displacement	Max. pressure			Max. speed	Min. speed	Weight	Dimensions		Oil port code	Inlet	Outlet
Displacement	P1	P2	P3	Max. speed	Min. speed	Weight	M	L		D	d
(cm³/rev.)	bar	bar	bar	(r/min)	(r/min)	Kg	mm	mm
3	270	285	300	4000	800	3.35	91.1	43.6	U0	1/16-12UNF	7/8-14UNF
4	270	285	300	4000	600	3.4	92.7	44.4	U0	1/16-12UNF	7/8-14UNF
6	270	285	300	4000	600	3.5	96	46	U0	1/16-12UN F	7/8-14UNF
8	270	285	300	3500	500	3.6	99.3	47.7	U0	1/16-12UNF	7/8-14UNF
10	270	285	300	3500	500	3.7	102.6	49.3	U0	1/16-12UNF	7/8-14UNF
12	270	285	300	3500	500	3.8	105.9	51	U0	1/16-12UNF	7/8-14UNF
14	250	265	280	3500	500	3.9	109.3	52.7	U0	1/16-12UNF	7/8-14UNF
16	250	265	280	3500	500	4	112.7	54.4	U0	1/16-12UNF	7/8-14UNF
18	250	265	280	3200	400	4.1	116	56	U0	11/16-12UNF	7/8-14UNF
20	220	235	250	3200	400	4.2	119.3	57.7	U0	1/16-12UNF	7/8-14UNF
22	220	235	250	3000	400	4.3	122.6	59.3	U0	1 1/16-12UNF	7/8-14UNF
25	200	215	230	3000	400	4.45	127.6	61.8	U0	1/16-12UNF	7/8-14UNF
28	180	190	200	2500	400	4.6	132.6	64.3	U0	1 1/16-12UNF	7/8-14UNF
30	160	170	180	2500	400	4.7	135.9	66	U1	5/16-12UNF	7/8-14UNF

Displacement	Max. pressure			Max. speed	Min. speed	Weight	Dimensions	Oil port code		Inlet			Outlet
Displacement	P1	P2	P3	Max. speed	Min. speed	Weight	Dimensions	Oil port code		B	D	H	b	d	h
(cm³/rev.)	bar	bar	bar	(r/min)	(r/min)	Kg	mm			mm	mm		mm	mm
3	270	285	300	4000	800	3.35	91.1	43.6	E0	30	13	M6	30	13	M6
4	270	285	300	4000	600	3.4	92.7	44.4	E0	30	13	M6	30	13	M6
6	270	285	300	4000	600	3.5	96	46	E0	30	13	M6	30	13	M6
8	270	285	300	3500	500	3.6	99.3	47.7	E0	30	13	M6	30	13	M6
10	270	285	300	3500	500	3.7	2.6	49.3	E1	40	20	M8	30	13	M6
12	270	285	300	3500	500	3.8	105.9	51	E1	40	20	M8	30	13	M6
14	250	265	280	3500	500	3.9	9.3	52.7	E1	40	20	M8	30	13	M6
16	250	265	280	3500	500	4	12.7	54.4	E1	40	20	M8	30	13	M6
18	250	265	280	3200	400	4.1	116	56	E1	40	20	M8	30	13	M6
20	220	235	250	3200	400	4.2	19.3	57.7	E1	40	20	M8	30	13	M6
22	220	235	250	3000	400	4.3	122.6	59.3	E1	40	20	M8	30	13	M6
25	200	215	230	3000	400	4.45	127.6	61.8	E2	40	22	M8	30	13	M6
28	180	190	200	2500	400	4.6	132.6	64.3	E2	40	22	M8	30	13	M6
30	160	170	180	2500	400	4.7	135.9	66	E2	40	22	M8	30	13	M6

Displacement	Max. pressure			Max. speed	Min. speed	Weight	Dimensions		Oil port code	Inlet	Outlet
Displacement	P1	P2	P3	Max. speed	Min. speed	Weight	M	L	Oil port code	D	d
(cm³/rev.)	bar	bar	bar	(r/min)	(r/min)	Kg	mm	mm
3	270	285	300	4000	800	3.35	91.1	43.6	Z0	M14X1.5	M14X1.5
4	270	285	300	4000	600	3.4	92.7	44.4	Z0	M14X1.5	M14X1.5
6	270	285	300	4000	600	3.5	96	46	Z1	M20X1.5	M18X1.5
8	270	285	300	3500	500	3.6	99.3	47.7	Z1	M20X1.5	M18X1.5
10	270	285	300	3500	500	3.7	102.6	49.3	Z1	M20X1.5	M18X1.5
12	270	285	300	3500	500	3.8	105.9	51	Z1	M20X1.5	M18X1.5
14	250	265	280	3500	500	3.9	109.3	52.7	Z1	M20X1.5	M18X1.5
16	250	265	280	3500	500	4	112.7	54.4	Z1	M20X1.5	M18X1.5
18	250	265	280	3200	400	4.1	116	56	Z1	M20X1.5	M18X1.5
20	220	235	250	3200	400	4.2	119.3	57.7	Z3	M24X1.5	M22X1.5
22	220	235	250	3000	400	4.3	122.6	59.3	Z3	M24X1.5	M22X1.5
25	200	215	230	3000	400	4.45	127.6	61.8	Z3	M24X1.5	M22X1.5
28	180	190	200	2500	400	4.6	132.6	64.3	Z3	M24X1.5	M22X1.5
30	160	170	180	2500	400	4.7	135.9	66	Z3	M24X1.5	M22X1.5

Displacement	Max. pressure			Max. speed	Min. speed	Weight	Dimensions		Oil port code	Inlet
Displacement	P1	P2	P3	Max. speed	Min. speed	Weight	M	L	Oil port code	D
(cm³/rev.)	bar	bar	bar	(r/min)	(r/min)	Kg	mm	mm		mm
3	270	285	300	4000	800	3.35	91.1	39.9	F0	15
4	270	285	300	4000	600	3.4	92.7	39.9	F0	15
6	270	285	300	4000	600	3.5	96	41.1	F0	15
8	270	285	300	3500	500	3.6	99.3	43.2	F0	15
10	270	285	300	3500	500	3.7	102.6	43.7	F1	20
12	270	285	300	3500	500	3.8	105.9	47.5	F1	20
14	250	265	280	3500	500	3.9	109.3	47.5	F1	20
16	250	265	280	3500	500	4	112.7	47.5	F1	20
18	250	265	280	3200	400	4.1	116	47.5	F1	20
20	220	235	250	3200	400	4.2	119.3	47.5	F1	20
22	220	235	250	3000	400	4.3	122.6	55.1	F1	20
25	200	215	230	3000	400	4.45	127.6	61.8	F1	20
28	180	190	200	2500	400	4.6	132.6	64.3	F1	20
30	160	170	180	2500	400	4.7	135.9	66	F1	20

Displacement	Max. pressure			Max. speed	Min. speed	Weight	Dimensions		Oil port code	Inlet
Displacement	P1	P2	P3	Max. speed	Min. speed	Weight	M	L	Oil port code	D
(cm³/rev.)	bar	bar	bar	(r/min)	(r/min)	Kg	mm	mm		mm
3	270	285	300	4000	800	3.35	88.6	37.4	F0	15
4	270	285	300	4000	600	3.4	90.2	37.4	F0	15
6	270	285	300	4000	600	3.5	93.5	38.6	F0	15
8	270	285	300	3500	500	3.6	96.8	40.7	F0	15
10	270	285	300	3500	500	3.7	100.1	41.2	F1	20
12	270	285	300	3500	500	3.8	103.4	45	F1	20
14	250	265	280	3500	500	3.9	106.8	45	F1	20
16	250	265	280	3500	500	4	110.2	45	F1	20
18	250	265	280	3200	400	4.1	113.5	45	F1	20
20	220	235	250	3200	400	4.2	116.8	45	F1	20
22	220	235	250	3000	400	4.3	120.1	52.6	F1	20

Displacement	Max. pressure			Max. speed	Min. speed	Weight	Dimensions		Oil port code	Inlet
Displacement	P1	P2	P3	Max. speed	Min. speed	Weight	M	L	Oil port code	D
(cm³/rev.)	bar	bar	bar	(r/min)	(r/min)	Kg	mm	mm		mm
3	270	285	300	4000	800	3.35	88.6	37.4	F0	15
4	270	285	300	4000	600	3.4	90.2	37.4	F0	15
6	270	285	300	4000	600	3.5	93.5	38.6	F0	15
8	270	285	300	3500	500	3.6	96.8	40.7	F0	15
10	270	285	300	3500	500	3.7	100.1	41.2	F1	20
12	270	285	300	3500	500	3.8	103.4	45	F1	20
14	250	265	280	3500	500	3.9	106.8	45	F1	20
16	250	265	280	3500	500	4	110.2	45	F1	20
18	250	265	280	3200	400	4.1	113.5	45	F1	20
20	220	235	250	3200	400	4.2	116.8	45	F1	20
22	220	235	250	3000	400	4.3	120.1	52.6	F1	20
25	200	215	230	3000	400	4.45	125.1	59.3	F1	20
28	180	190	200	2500	400	4.6	130.1	61.8	F1	20
30	160	170	180	2500	400	4.7	133.4	63.5	F1	20

Displacement	Max. pressure			Max. speed	Min. speed	Weight	Dimensions		Oil port code	Inlet
Displacement	P1	P2	P3	Max. speed	Min. speed	Weight	M	L	Oil port code	D
(cm³/rev.)	bar	bar	bar	(r/min)	(r/min)	Kg	mm	mm		mm
3	270	285	300	4000	800	3.35	88.6	37.4	F0	15
4	270	285	300	4000	600	3.4	90.2	37.4	F0	15
6	270	285	300	4000	600	3.5	93.5	38.6	F0	15
8	270	285	300	3500	500	3.6	96.8	40.7	F0	15
10	270	285	300	3500	500	3.7	100.1	41.2	F1	20
12	270	285	300	3500	500	3.8	103.4	45	F1	20
14	250	265	280	3500	500	3.9	106.8	45	F1	20
16	250	265	280	3500	500	4	110.2	45	F1	20
18	250	265	280	3200	400	4.1	113.5	45	F1	20
20	220	235	250	3200	400	4.2	116.8	45	F1	20
22	220	235	250	3000	400	4.3	120.1	52.6	F1	20
25	200	215	230	3000	400	4.45	125.1	59.3	F1	20
28	180	190	200	2500	400	4.6	130.1	61.8	F1	20
30	160	170	180	2500	400	4.7	133.4	63.5	F1	20

Displacement	Max. pressure			Max. speed	Min. speed	Weight	Dimensions	Oil port code	Inlet	Outlet
Displacement	P1	P2	P3	Max. speed	Min. speed	Weight	M	Oil port code	D	d
(cm³/rev.)	bar	bar	bar	(r/min)	(r/min)	Kg	mm
3	270	285	300	4000	800	3.4	103.1	U0	1/16-12UNF	7/8-14UNF
4	270	285	300	4000	600	3.45	104.7	U0	1/16-12UNF	7/8-14UNF
6	270	285	300	4000	600	3.55	108	U0	1/16-12UNF	7/8-14UNF
8	270	285	300	3500	500	3.65	111.3	U0	1/16-12UNF	7/8-14UNF
10	270	285	300	3500	500	3.75	114.6	U0	1/16-12UNF	7/8-14UNF
12	270	285	300	3500	500	3.85	117.9	U0	1/16-12UNF	7/8-14UNF
14	250	265	280	3500	500	3.95	121.3	U0	1/16-12UNF	7/8-14UNF
16	250	265	280	3500	500	4.05	124.7	U0	1/16-12UNF	7/8-14UNF
18	250	265	280	3200	400	4.15	128	U0	1/16-12UNF	7/8-14UNF
20	220	235	250	3200	400	4.25	131.3	U0	1/16-12UNF	7/8-14UNF
22	220	235	250	3000	400	4.35	134.6	U0	1/16-12UNF	7/8-14UNF
25	200	215	230	3000	400	4.5	139.6	U0	1/16-12UNF	7/8-14UNF
28	180	190	200	2500	400	4.65	144.6	U0	1/16-12UNF	7/8-14UNF
30	160	170	180	2500	400	4.75	147.9	U0	1/16-12UNF	7/8-14UNF

Displacement	Max. pressure			Max. speed	Min. speed	Weight	Dimensions		Oil port code	Inlet
Displacement	P1	P2	P3	Max. speed	Min. speed	Weight	M	L	Oil port code	D
(cm³/rev.)	bar	bar	bar	(r/min)	(r/min)	Kg	mm	mm		mm
3	100.18	2..30	4000	800	4.1	113.1	43.6	93.6	W4	1/16-12UNF
4			4000	600	4.15	114.7	44.4	95.2	W4	1/16-12UNF
6			4000	600	4.25	118	46	98.5	W4	1/16-12UNF
8			3500	500	4.35	121.3	47.7	101.8	U4	1/16-12UNF
10			3500	500	4.45	124.6	49.3	105.1	W4	1/16-12UNF
12			3500	500	4.55	127.9	51	108.4	W4	1/16-12UNF
14			3500	500	4.65	131.3	52.7	111.8	W4	11/16-12UNF
16			3500	500	4.75	134.7	54.4	115.2	W4	1/16-12UNF
18			3200	400	4.35	138	56	118.5	W4	1/16-12UNF
20			3200	400	4.45	141.3	57.7	121.8	W4	1/16-12UNF
22			3000	400	4.55	144.6	59.3	125.1	W4	1/16-12UNF
25			3000	400	4.7	149.6	61.8	130.1	UJ4	1/16-12UNF
28			2500	400	4.85	154.6	64.3	135.1	UJ4	1/16-12UNF
30			2500	400	5.05	157.9	66	138.4	W5	5/16-12UNF

Displacement	Max. pressure			Max. speed	Min. speed	Weight	Dimensions		Oil port code	Inlet
Displacement	P1	P2	P3	Max. speed	Min. speed	Weight	M	L	Oil port code	D
(cm³/rev.)	bar	bar	bar	(r/min)	(r/min)	Kg	mm	mm		mm
3	270	285	300	4000	800	3.35	91.1	43.6	L0	G1/2
4	270	285	300	4000	600	3.4	92.7	44.4	L0	G1/2
6	270	285	300	4000	600	3.5	96	46	L0	G1/2
8	270	285	300	3500	500	3.6	99.3	47.7	L1	G3/4
10	270	285	300	3500	500	3.7	102.6	49.3	L1	G3/4
12	270	285	300	3500	500	3.8	105.9	51	L1	G3/4
14	250	265	280	3500	500	3.9	109.3	52.7	L1	G3/4
16	250	265	280	3500	500	4	112.7	54.4	L1	G3/4
18	250	265	280	3200	400	4.1	116	56	L1	G3/4
20	220	235	250	3200	400	4.2	119.3	57.7	L1	G3/4
22	220	235	250	3000	400	4.3	122.6	59.3	L1	G3/4
25	200	215	230	3000	400	4.45	127.6	61.8	L1	G3/4
28	180	190	200	2500	400	4.6	132.6	64.3	L1	G3/4
30	160	170	180	2500	400	4.7	135.9	66	L1	G3/4

Displacement	Max. pressure			Max. speed	Min. speed	Weight	Dimensions		Oil port code	Inlet
Displacement	P1	P2	P3	Max. speed	Min. speed	Weight	M	L	Oil port code	B	D	H
(cm³/rev.)	bar	bar	bar	(r/min)	(r/min)	Kg	mm	mm		mm	mm
3	270	285	300	4000	800	3.35	123.1	75.6	F13	40	20	M6
4	270	285	300	4000	600	3.4	124.7	76.4	F13	40	20	M6
6	270	285	300	4000	600	3.5	128	78	F13	40	20	M6
8	270	285	300	3500	500	3.6	131.3	79.7	F13	40	20	M6
10	270	285	300	3500	500	3.7	134.6	81.3	F13	40	20	M6
12	270	285	300	3500	500	3.8	137.9	83	F13	40	20	M6
14	250	265	280	3500	500	3.9	141.3	84.7	F13	40	20	M6
16	250	265	280	3500	500	4	144.7	86.4	F13	40	20	M6
18	250	265	280	3200	400	4.1	148	88	F13	40	20	M6
20	220	235	250	3200	400	4.2	151.3	89.7	F13	40	20	M6
22	220	235	250	3000	400	4.3	154.6	91.3	F13	40	20	M6
25	200	215	230	3000	400	4.45	159.6	93.8	F13	40	20	M6
28	180	190	200	2500	400	4.6	164.6	96.3	F13	40	20	M6
30	160	170	180	2500	400	4.7	167.9	98	F13	40	20	M6