Our Products

Gear Pumps

Whitelaw Hydraulics is a specialist in hydraulic gear pumps with over 40 years of experience which includes partnerships from leading American manufacturers Permco & Concentric. Our team have a unique understanding of the capabilities of hydraulic gear pumps that enables them to go beyond the traditional limits to meet specific application needs. The wide variety of pump designs and options enables us to configure different body combinations along with mounting flange, shaft, port and valve options to meet the specific performance needs of the applications, in both cast iron or aluminium. Control valves can be integrated for additional functionality.

Seal Kits
GC Series 1cc - 12cc
Hi-Low Series
W900 Series 6cc - 28cc
Permco Bearing Series 16cc - 202cc
Permco Bushing Series 5cc - 148cc

Seal Kits

Concentric Seal Kits

Suited to Concentric Pump Range

All Concentric Families
Viton Options

Model Code	Description
2300698	GC Series Pump & Motor Seal Kit
2120401	GC Series Pump/Motor Shaft Seal
1300340	GC Series Hi-Low Pump Seal Kit
1300019	HE2000 Pump Seal Kit
5000100	W900 Pump Seal Kit
5000459	W900 Pump Seal Kit - Viton
5200001	W1500 Pump Seal Kit
5200015	W1500 PTO (Chelsea) Pump Seal Kit
0818348	G20/F20 Wear Plate
0866855	G20/F20 Seal Kit
0866856	G20/F20 Seal Kit - Viton
0417605	G30/F30 Front Wear Plate
0417606	G30/F30 Rear Wear Plate
0920097	G30/F30 Seal Kit
0920098	G30/F30 Seal Kit - Viton
020107323	G5 Pump Seal Kit

Permco Bearing Seal Kits

Suited to the Permco Bearing Range

Pre-built Seal Kits
Thrust Plates Not Included

Model Code	Description
P1500-S	P1500 Single Pump Seal Kit
P2100-S	P2100 Single Pump Seal Kit (Integral)
P2100-S-C	P2100 Single Pump Seal Kit (Continental)
P2100-T	P2100 Multiple Pump Seal Kit
P2500-S1	P2500 Single Pump Seal Kit – Type I
P3000-S	P3000/P3100 Single Pump Seal Kit (Integral)
P3000-S-C	P3000/P3100 Single Pump Seal Kit (Continental)
P3000-T	P3000/P3100 Multiple Pump Seal Kit
P3700-S1	P3700 Single Pump Seal Kit – Type I
P5000-S	P5000/P5100 Single Pump Seal Kit (Integral & Continental)
P5000-T	P5000/P5100 Multiple Pump Seal Kit
P7500-S	P7500/P7600 Single Pump Seal Kit (Integral & Continental)
P7500-T	P7500/P7600 Multiple Pump Seal Kit

Permco Bushing Seal Kits

Suited to the Permco Bushing Range

Pre-built Seal Kits
Thrust Plates Not Included

Model Code	Description
P124-S	P124 Single Pump Seal Kit
P124-T	P124 Multiple Pump Seal Kit
P197-S	P197 Single Pump Seal Kit (Integral)
P197-T	P197 Multiple Pump Seal Kit
P257-S	P257 Single Pump Seal Kit (Integral & Continental)
P257-T	P257 Multiple Pump Seal Kit
P360-S	P360 Single Pump Seal Kit
P360-T	P360 Multiple Pump Seal Kit

GC Series 1cc - 12cc

1/2" Keyed HP Bushing

Concentric Pre-Built Pumps

4 Bolt Mounting Flange
1/2" Keyed Shaft
Side UNO Ports
Directional Checks
Sleeve Bushing Design

Model Code	Long Code	Displacement	Max Pressure	Min. Speed	Max. Speed	Ports	Spec Sheet
1303898	G1216C3A300N00	4.23 CC/REV	207 BAR	750 RPM	4000 RPM	3/4 & 3/4 UNO	Download
1303899	G1220C3A300N00	5.29 CC/REV	207 BAR	750 RPM	4000 RPM	7/8 & 7/8 UNO	Download
1303900	G1224C3A300N00	6.36 CC/REV	207 BAR	750 RPM	4000 RPM	7/8 & 7/8 UNO	Download
1303901	G1228C3A300N00	7.42 CC/REV	190 BAR	750 RPM	4000 RPM	7/8 & 7/8 UNO	Download
1303902	G1232C3A300N00	8.47 CC/REV	172 BAR	750 RPM	4000 RPM	7/8 & 7/8 UNO	Download
1303903	G1240C3A300N00	10.6 CC/REV	138 BAR	750 RPM	4000 RPM	7/8 & 7/8 UNO	Download
1303904	G1244C3A300N00	11.65 CC/REV	125 BAR	750 RPM	4000 RPM	7/8 & 7/8 UNO	Download

Special OEM Units

Concentric Pre-Built Pumps

Varied Mounts
Varied Shafts
Side UNO Ports
Directional Checks

Model Code	Long Code	Displacement	Max Pressure	Special Feature	Shaft	Spec Sheet
1320066	G4206A1A200N00	1.59 CC/REV	207 BAR	SAE 'A' 2 Bolt	1/2" Keyed	Download
1321153	G1236B1A119N00	9.52 CC/REV	155 BAR	RV	1/2" Keyed	Download
1300380	Suit MP08D101	2.11 CC/REV	207 BAR	RV	1/4" Tang
1321334	G1244C3A300N00	11.65 CC/REV	124 BAR	Displacement	1/2" Keyed
1002928	Suit 1210875	3.18 CC/REV	207 BAR	RV & CV	1/2" Tang
1001669	Suit 1210879	5.3 CC/REV	207 BAR	RV & CV	1/2" Tang
1300308	Special	6.35 CC/REV	207 BAR	SAE 'AA'	1/2" Keyed

Tang Drive Roller Bearing

Concentric Pre-Built Pumps

4 Bolt Mounting Flange
Tang Drive
Side UNO Ports
Directional Checks
Roller Bearing Design

Model Code	Long Code	Displacement	Max Pressure	Min. Speed	Max. Speed	Ports	Spec Sheet
1300085	G1104C1A300N00	1.07 CC/REV	207 BAR	750 RPM	4000 RPM	9/16 UNO	Download
1300086	G1108C1A300N00	2.11 CC/REV	207 BAR	750 RPM	4000 RPM	3/4 UNO	Download
1300087	G1112C1A300N00	3.18 CC/REV	207 BAR	750 RPM	4000 RPM	3/4 UNO	Download
1300088	G1116C1A300N00	4.23 CC/REV	159 BAR	750 RPM	4000 RPM	3/4 UNO	Download
1300089	G1120C1A300N00	5.29 CC/REV	131 BAR	750 RPM	4000 RPM	7/8 UNO	Download
1300090	G1124C1A300N00	6.36 CC/REV	110 BAR	750 RPM	4000 RPM	7/8 UNO	Download
1300091	G1128C1A300N00	7.42 CC/REV	90 BAR	750 RPM	4000 RPM	7/8 UNO	Download
1300092	G1132C1A300N00	8.47 CC/REV	83 BAR	750 RPM	4000 RPM	7/8 UNO	Download

1/2" Keyed Roller Bearing

Concentric Pre-Built Pumps

4 Bolt Mounting Flange
1/2" Keyed Shaft
Side UNO Ports
Directional Checks
Roller Bearing Design

Model Code	Long Code	Displacement	Max Pressure	Min. Speed	Max. Speed	Ports	Spec Sheet
1300093	G1204C3A300N00	1.07 CC/REV	207 BAR	750 RPM	4000 RPM	9/16 UNO	Download
1300094	G1208C3A300N00	2.11 CC/REV	207 BAR	750 RPM	4000 RPM	3/4 UNO	Download
1300095	G1212C3A300N00	3.18 CC/REV	207 BAR	750 RPM	4000 RPM	3/4 UNO	Download
1300096	G1216C3A300N00	4.23 CC/REV	159 BAR	750 RPM	4000 RPM	3/4 UNO	Download
1300097	G1220C3A300N00	5.29 CC/REV	131 BAR	750 RPM	4000 RPM	7/8 UNO	Download
1300098	G1224C3A300N00	6.36 CC/REV	110 BAR	750 RPM	4000 RPM	7/8 UNO	Download
1300099	G1228C3A300N00	7.42 CC/REV	90 BAR	750 RPM	4000 RPM	7/8 UNO	Download
1300100	G1232C3A300N00	8.47 CC/REV	83 BAR	750 RPM	4000 RPM	7/8 UNO	Download

Hi-Low Series

GC Series 2HP-10HP

Concentric Pre-Built Hi-Low Pumps

4 Bolt Mounting Flange
1/2" Keyed Shaft
Side UNO Ports
750psi Changeover Pressure

Model Code	Displacement	Max Pressure	Max. Speed	Ports	Nominal Power
1300483	1.06 & 4.23 CC/REV	207 BAR	4000 RPM	1/2" & 1/2" NPT	2 HP
1300484	1.06 & 6.34 CC/REV	207 BAR	4000 RPM	1/2" & 1/2" NPT	3 HP
1300485	3.18 & 6.34 CC/REV	207 BAR	4000 RPM	1/2" & 1/2" NPT	4 HP
1300159	3.18 & 8.47 CC/REV	207 BAR	4000 RPM	1" Tube & 1/2" NPT	5 HP
1300486	3.18 & 10.6 CC/REV	207 BAR	4000 RPM	1" Tube & 1/2" NPT	6 HP
1300487	4.20 & 12.7 CC/REV	207 BAR	4000 RPM	1" Tube & 1/2" NPT	10 HP

D Series 15HP-18HP

Concentric Pre-Built Hi-Low Pumps

2 Bolt SAE A Flange
5/8" Keyed Shaft
Side UNO Ports
750psi Changeover Pressure

Model Code	Displacement	Max Pressure	Max. Speed	Ports	Nominal Power
1300488	7.62 & 15.24 CC/REV	207 BAR	4000 RPM	1" & 3/4" NPT	15 HP
1300489	7.62 & 22.86 CC/REV	207 BAR	4000 RPM	1" & 3/4" NPT	18 HP

W900 Series 6cc - 28cc

11T Spline Sleeve Bushing

Concentric Pre-Built Pumps

2 Bolt SAE A
3/4" 11T Spline Shaft
Alloy Contruction
American Made

Model Code	Displacement	Length	Max Pressure	Max. Speed	Ports	Spec Sheet
1303227	16 CC/REV	107.5mm	276 BAR	3000 RPM	1-1/16" & 7/8" UNO	Download
1303229	19 CC/REV	111.3mm	276 BAR	3000 RPM	1 5/16 & 1 1/16 UNO	Download
1303231	23 CC/REV	117.2mm	221 BAR	2800 RPM	1 5/16 & 1 1/16 UNO	Download
1303233	27 CC/REV	123.8mm	185 BAR	2400 RPM	1 5/16 & 1 1/16 UNO	Download
1303235	28 CC/REV	124.6mm	180 BAR	2300 RPM	1 5/16 & 1 1/16 UNO	Download

3/4" Keyed Sleeve Bushing

Concentric Pre-Built Pumps

2 Bolt SAE A
3/4" Keyed Shaft
Alloy Contruction
American Made

Model Code	Displacement	Length	Max Pressure	Max. Speed	Ports	Spec Sheet
1303191	6 CC/REV	92.7mm	276 BAR	4000 RPM	7/8 & 3/4 UNO	Download
1303193	8 CC/REV	95mm	276 BAR	4000 RPM	1-1/16" & 7/8" UNO	Download
1303195	10 CC/REV	97.9mm	276 BAR	3600 RPM	1-1/16" & 7/8" UNO	Download
1303197	11 CC/REV	100.1mm	276 BAR	3600 RPM	1-1/16" & 7/8" UNO	Download
1303199	14 CC/REV	103.9mm	276 BAR	3300 RPM	1-1/16" & 7/8" UNO	Download
1303201	16 CC/REV	107.5mm	276 BAR	3000 RPM	1-1/16" & 7/8" UNO	Download
1303203	19 CC/REV	111.3mm	276 BAR	3000 RPM	1 5/16 & 1 1/16 UNO	Download
1303205	23 CC/REV	117.2mm	221 BAR	2800 RPM	1 5/16 & 1 1/16 UNO	Download
1303207	27 CC/REV	123.8mm	185 BAR	2400 RPM	1 5/16 & 1 1/16 UNO	Download

9T Spline Sleeve Bushing

Concentric Pre-Built Pumps

2 Bolt SAE A
5/8" 9T Spline Shaft
Alloy Contruction
American Made

Model Code	Displacement	Length	Max Pressure	Max. Speed	Ports	Spec Sheet
1303209	6 CC/REV	92.7mm	276 BAR	4000 RPM	7/8 & 3/4 UNO	Download
1303211	8 CC/REV	95mm	276 BAR	4000 RPM	1-1/16" & 7/8" UNO	Download
1303213	10 CC/REV	97.9mm	276 BAR	3600 RPM	1-1/16" & 7/8" UNO	Download
1303215	11 CC/REV	100.1mm	276 BAR	3600 RPM	1-1/16" & 7/8" UNO	Download
1303217	14 CC/REV	103.9mm	276 BAR	3300 RPM	1-1/16" & 7/8" UNO	Download
1303219	16 CC/REV	107.5mm	276 BAR	3000 RPM	1-1/16" & 7/8" UNO	Download
1303221	19 CC/REV	111.3mm	276 BAR	3000 RPM	1 5/16 & 1 1/16 UNO	Download
1303223	23 CC/REV	117.2mm	221 BAR	2800 RPM	1 5/16 & 1 1/16 UNO	Download
1303225	27 CC/REV	123.8mm	185 BAR	2400 RPM	1 5/16 & 1 1/16 UNO	Download

Permco Bearing Series 16cc - 202cc

5000 Permco Cast Iron

Custom Built Gear Pumps

Custom Designed Units
Built to Order
Fully Tested to Permco Spec

Model Code	Gear Width	Displacement	Max Pressure	Max. Speed	Weight	Spec Sheet	Options
P5000A-05	1/2"	20.9 CC/REV	172 BAR	2400 RPM	16.8 KG	Download	View options
P5000A-07	3/4"	31.3 CC/REV	172 BAR	2400 RPM	31.3 KG	Download	View options
P5000A-10	1"	41.8 CC/REV	172 BAR	2400 RPM	41.8 KG	Download	View options
P5000A-12	1-1/4"	52.2 CC/REV	172 BAR	2400 RPM	52.2 KG	Download	View options
P5000A-15	1-1/2"	62.7 CC/REV	172 BAR	2400 RPM	62.7 KG	Download	View options
P5000A-17	1-3/4"	73.1 CC/REV	138 BAR	2400 RPM	73.1 KG	Download	View options
P5000A-20	2"	83.6 CC/REV	138 BAR	2400 RPM	83.6 KG	Download	View options
P5000A-22	2-1/4"	94 CC/REV	138 BAR	2400 RPM	94 KG	Download	View options
P5000A-25	2-1/2"	104.5 CC/REV	138 BAR	2400 RPM	104.5 KG	Download	View options

7500 Permco Cast Iron

Custom Built Gear Pumps

Custom Designed Units
Built to Order
Fully Tested to Permco Spec

Model Code	Gear Width	Displacement	Max Pressure	Max. Speed	Weight	Spec Sheet	Options
P7500A-05	1/2"	33 CC/REV	172 BAR	2400 RPM	24.5 KG	Download	View options
P7500A-07	3/4"	50.4 CC/REV	172 BAR	2400 RPM	25.9 KG	Download	View options
P7500A-10	1"	67.2 CC/REV	172 BAR	2400 RPM	27.3 KG	Download	View options
P7500A-12	1-1/4"	84 CC/REV	172 BAR	2400 RPM	28.6 KG	Download	View options
P7500A-15	1-1/2"	100.4 CC/REV	172 BAR	2400 RPM	29.5 KG	Download	View options
P7500A-17	1-3/4"	117.6 CC/REV	172 BAR	2400 RPM	30.4 KG	Download	View options
P7500A-20	2"	134.4 CC/REV	172 BAR	2400 RPM	31.4 KG	Download	View options
P7500A-22	2-1/4"	151.2 CC/REV	155 BAR	2400 RPM	32.3 KG	Download	View options
P7500A-25	2-1/2"	168 CC/REV	155 BAR	2400 RPM	33.4 KG	Download	View options
P7500A-27	2-3/4"	184.8 CC/REV	138 BAR	2400 RPM	33.8 KG	Download	View options
P7500A-30	3"	201.6 CC/REV	138 BAR	2400 RPM	34.5 KG	Download	View options

2100 Permco Cast Iron

Custom Built Gear Pumps

Custom Designed Units
Built to Order
Fully Tested to Permco Spec

Model Code	Gear Width	Displacement	Max Pressure	Max. Speed	Weight	Spec Sheet	Options
P2100A-05	1/2"	16 CC/REV	207 BAR	2400 RPM	13.2 KG	Download	View options
P2100A-07	3/4"	24 CC/REV	207 BAR	2400 RPM	13.3 KG	Download	View options
P2100A-10	1"	32.3 CC/REV	207 BAR	2400 RPM	13.5 KG	Download	View options
P2100A-12	1-1/4"	40.4 CC/REV	207 BAR	2400 RPM	14 KG	Download	View options
P2100A-15	1-1/2"	48.4 CC/REV	207 BAR	2400 RPM	14.5 KG	Download	View options
P2100A-17	1-3/4"	56.5 CC/REV	172 BAR	2400 RPM	15 KG	Download	View options
P2100A-20	2"	64.6 CC/REV	172 BAR	2400 RPM	15.5 KG	Download	View options
P2100A-25	2-1/4"	82 CC/REV	125 BAR	2400 RPM	16.5 KG	Download	View options

3000 Permco Cast Iron

Custom Built Gear Pumps

Custom Designed Units
Built to Order
Fully Tested to Permco Spec

Model Code	Gear Width	Displacement	Max Pressure	Max. Speed	Weight	Spec Sheet	Options
P3000A-05	1/2"	16 CC/REV	172 BAR	2400 RPM	13.6 KG	Download	View options
P3000A-07	3/4"	24 CC/REV	172 BAR	2400 RPM	14 KG	Download	View options
P3000A-10	1"	32.3 CC/REV	172 BAR	2400 RPM	14.5 KG	Download	View options
P3000A-12	1-1/4"	40.4 CC/REV	172 BAR	2400 RPM	15 KG	Download	View options
P3000A-15	1-1/2"	48.4 CC/REV	172 BAR	2400 RPM	15.5 KG	Download	View options
P3000A-17	1-3/4"	56.5 CC/REV	155 BAR	2400 RPM	15.9 KG	Download	View options
P3000A-20	2"	64.6 CC/REV	155 BAR	2400 RPM	16.4 KG	Download	View options
P3000A-25	2-1/2"	80.7 CC/REV	125 BAR	2400 RPM	17.5 KG	Download	View options

Permco Bushing Series 5cc - 148cc

197 Permco Cast Iron

Custom Built Gear Pumps

Custom Designed Units
Built to Order
Fully Tested to Permco Spec

Model Code	Gear Width	Displacement	Max Pressure	Max. Speed	Weight	Spec Sheet	Options
P197A-05	1/2"	16.1 CC/REV	275 BAR	2400 RPM	16 KG	Download	View options
P197A-07	3/4"	24.2 CC/REV	275 BAR	2400 RPM	16.4 KG	Download	View options
P197A-10	1"	32.3 CC/REV	275 BAR	2400 RPM	16.8 KG	Download	View options
P197A-12	1-1/4"	40.4 CC/REV	275 BAR	2400 RPM	17.2 KG	Download	View options
P197A-15	1-1/2"	48.4 CC/REV	258 BAR	2400 RPM	17.7 KG	Download	View options
P197A-17	1-3/4"	56.5 CC/REV	241 BAR	2400 RPM	18.4 KG	Download	View options
P197A-20	2"	64.6 CC/REV	224 BAR	2400 RPM	19 KG	Download	View options

257 Permco Cast Iron

Custom Built Gear Pumps

Custom Designed Units
Built to Order
Fully Tested to Permco Spec

Model Code	Gear Width	Displacement	Max Pressure	Max. Speed	Weight	Spec Sheet	Options
P257A-05	1/2"	21 CC/REV	310 BAR	2400 RPM	19.8 KG	Download	View options
P257A-07	3/4"	31.6 CC/REV	310 BAR	2400 RPM	20.4 KG	Download	View options
P257A-10	1"	42.1 CC/REV	310 BAR	2400 RPM	20.9 KG	Download	View options
P257A-12	1-1/4"	52.6 CC/REV	310 BAR	2400 RPM	21.7 KG	Download	View options
P257A-15	1-1/2"	63.2 CC/REV	241 BAR	2400 RPM	22.3 KG	Download	View options
P257A-17	1-3/4"	73.7 CC/REV	224 BAR	2400 RPM	22.9 KG	Download	View options
P257A-20	2"	84.2 CC/REV	207 BAR	2400 RPM	23.5 KG	Download	View options
P257A-22	2-1/4"	94.8 CC/REV	190 BAR	2400 RPM	24.1 KG	Download	View options
P257A-25	2-1/2"	105.3 CC/REV	172 BAR	2400 RPM	24.7 KG	Download	View options

360 Permco Cast Iron

Custom Built Gear Pumps

Custom Designed Units
Built to Order
Fully Tested to Permco Spec

Model Code	Gear Width	Displacement	Max Pressure	Max. Speed	Weight	Spec Sheet	Options
P360A-05	1/2"	29.5 CC/REV	241 BAR	2400 RPM	24 KG	Download	View options
P360A-07	3/4"	44.3 CC/REV	241 BAR	2400 RPM	24.4 KG	Download	View options
P360A-10	1"	59 CC/REV	241 BAR	2400 RPM	25.5 KG	Download	View options
P360A-12	1-1/4"	73.8 CC/REV	241 BAR	2400 RPM	26.6 KG	Download	View options
P360A-15	1-1/2"	88.5 CC/REV	241 BAR	2400 RPM	27.7 KG	Download	View options
P360A-17	1-3/4"	103.3 CC/REV	241 BAR	2400 RPM	28.8 KG	Download	View options
P360A-20	2"	118 CC/REV	241 BAR	2400 RPM	29.9 KG	Download	View options
P360A-22	2-1/4"	132.8 CC/REV	224 BAR	2400 RPM	31 KG	Download	View options
P360A-25	2-1/2"	147.5 CC/REV	207 BAR	2400 RPM	32.1 KG	Download	View options

124 Permco Cast Iron

Custom Built Gear Pumps

Custom Designed Units
Built to Order
Fully Tested to Permco Spec

Model Code	Gear Width	Displacement	Max Pressure	Max. Speed	Weight	Spec Sheet	Options
P124A-02	1/4"	5 CC/REV	241 BAR	3000 RPM	7 KG	Download	View options
P124A-05	1/2"	10 CC/REV	241 BAR	3000 RPM	7.5 KG	Download	View options
P124A-07	3/4"	15 CC/REV	241 BAR	3000 RPM	8 KG	Download	View options
P124A-10	1"	20 CC/REV	241 BAR	3000 RPM	8.5 KG	Download	View options
P124A-12	1-1/4"	25 CC/REV	241 BAR	3000 RPM	9 KG	Download	View options
P124A-15	1-1/2"	30 CC/REV	227 BAR	3000 RPM	9.5 KG	Download	View options
P124A-17	1-3/4"	35 CC/REV	200 BAR	3000 RPM	10 KG	Download	View options
P124A-20	2"	40 CC/REV	172 BAR	3000 RPM	10.5 KG	Download	View options

124PFRV Permco Cast Iron

Custom Built Gear Pumps

Custom Designed Units
Built to Order
Fully Tested to Permco Spec

Model Code	Gear Width	Displacement	Max Pressure	Max. Speed	Weight	Spec Sheet	Options
P124A-05-PFRV	1/2"	10 CC/REV	241 BAR	3000 RPM	7.5 KG	Download	View options
P124A-07-PFRV	3/4"	15 CC/REV	241 BAR	3000 RPM	8 KG	Download	View options
P124A-10-PFRV	1"	20 CC/REV	241 BAR	3000 RPM	8.5 KG	Download	View options
P124A-12-PFRV	1-1/4"	25 CC/REV	241 BAR	3000 RPM	9 KG	Download	View options
P124A-15-PFRV	1-1/2"	30 CC/REV	227 BAR	3000 RPM	9.5 KG	Download	View options
P124A-17-PFRV	1-3/4"	35 CC/REV	200 BAR	3000 RPM	10 KG	Download	View options
P124A-20-PFRV	2"	40 CC/REV	172 BAR	3000 RPM	10.5 KG	Download	View options