China top 1 gear factory: NINGBO YINZHOU EAST-PORT GEAR MANUFACTURER, The factory’s products are mainly divided into:Oil pump gear series, the production of the P75/76, P50/51, P30/31, P330, P315, P350 series with the United States Parker, PERMCO’s gear exchange; PTO (power take-off) gear series, the production of 02T, 03T, 06T, 15T and other series PTO gear exchange with the United States CHELSE, MUNCIE companies. The vane pump shaft, plunger shaft series, V20 series, V30 series, V35 series, V45 series vane pump shafts can be interchanged with REXROTH, VICKERS, DENISON shafts.
Top 2 gear factory, Wenling Minghua Gear Co., Ltd,One of the national leaders in professional gear (parts) manufacturing, Minghua Gear has developed from a single forging to a comprehensive enterprise integrating gear manufacturing, precision machining, reducer manufacturing, gearbox design and other industries.

lu’an ruitometal supply high-precision hydraulic pump gear and gear shaft, pump parts, PTO gears thrust plate. All the gear and hydraulic parts can be interchanged with that of OEM parts of the hydraulic pump such as Parker Commercial Intertech, Metaris and GPM etc. gear pump.
ruitometal’s cooperate have complete gear machines including NC gear hobbing, NC gear shaving, NC gear shaping, gear teeth grinding, heat treatment line and complete gear inspection equipment. All of our parts are strictly made according to the standard of OEM. And most of our parts are exported to America, Europe and Asia market for hydraulic gear pump, PTO(power take off) and construction machinery.

parker P50 P51 Pump Gear part number
| Item | Parker No. | Description | Gear Width | ||
|---|---|---|---|---|---|
| 1 | 313-2805-000 | 313-2805-000 | P30 / P31 Pump and Motor Drive Gear Set | 1/2″ | |
| 2 | 313-2807-000 | 313-2807-000 | P30 / P31 Pump and Motor Drive Gear Set | 3/4″ | |
| 3 | 313-2810-000 | 313-2810-000 | P30 / P31 Pump and Motor Drive Gear Set | 1″ | |
| 4 | 313-2812-000 | 313-2812-000 | P30 / P31 Pump and Motor Drive Gear Set | 1 1/4″ | |
| 5 | 313-2815-000 | 313-2815-000 | P30 / P31 Pump and Motor Drive Gear Set | 1 1/2″ | |
| 6 | 313-2817-000 | 313-2817-000 | P30 / P31 Pump and Motor Drive Gear Set | 1 3/4″ | |
| 7 | 313-2820-000 | 313-2820-000 | P30 / P31 Pump and Motor Drive Gear Set | 2″ | |
| 8 | 313-2822-000 | 313-2822-000 | P30 / P31 Pump and Motor Drive Gear Set | 2 1/4″ | |
| 9 | 313-2825-000 | 313-2825-000 | P30 / P31 Pump and Motor Drive Gear Set | 2 1/2″ | |
| 10 | 313-2827-000 | 313-2827-000 | P30 / P31 Pump and Motor Drive Gear Set | 2 3/4″ | |
| 11 | 313-2830-000 | 313-2830-000 | P30 / P31 Pump and Motor Drive Gear Set | 3″ |
| Item | Parker No. | Description | Gear Width | Type 1 | |
|---|---|---|---|---|---|
| 1 | 313-2905-250 | 313-2905-250 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 1/2″ | 7 |
| 2 | 313-2907-250 | 313-2907-250 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 3/4″ | 7 |
| 3 | 313-2910-250 | 313-2910-250 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 1″ | 7 |
| 4 | 313-2912-250 | 313-2912-250 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 1 1/4″ | 7 |
| 5 | 313-2915-250 | 313-2915-250 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 1 1/2″ | 7 |
| 6 | 313-2917-250 | 313-2917-250 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 1 3/4″ | 7 |
| 7 | 313-2920-250 | 313-2920-250 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 2″ | 7 |
| 8 | 313-2922-250 | 313-2922-250 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 2 1/4″ | 7 |
| 9 | 313-2925-250 | 313-2925-250 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 2 1/2″ | 7 |
| 10 | 313-2927-250 | 313-2927-250 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 2 3/4″ | 7 |
| 11 | 313-2930-250 | 313-2930-250 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 3″ | 7 |
| Item | Parker No. | Description | Gear Width | Type 1 | |
|---|---|---|---|---|---|
| 1 | 313-2905-750 | 313-2905-750 | SAE C – Str. Keyed, 1.250″ Dia., 5/16 x 1 1/2” Key | 1/2″ | 11 |
| 2 | 313-2907-750 | 313-2907-750 | SAE C – Str. Keyed, 1.250″ Dia., 5/16 x 1 1/2” Key | 3/4″ | 11 |
| 3 | 313-2910-750 | 313-2910-750 | SAE C – Str. Keyed, 1.250″ Dia., 5/16 x 1 1/2” Key | 1″ | 11 |
| 4 | 313-2912-750 | 313-2912-750 | SAE C – Str. Keyed, 1.250″ Dia., 5/16 x 1 1/2” Key | 1 1/4″ | 11 |
| 5 | 313-2915-750 | 313-2915-750 | SAE C – Str. Keyed, 1.250″ Dia., 5/16 x 1 1/2” Key | 1 1/2″ | 11 |
| 6 | 313-2917-750 | 313-2917-750 | SAE C – Str. Keyed, 1.250″ Dia., 5/16 x 1 1/2” Key | 1 3/4″ | 11 |
| 7 | 313-2920-750 | 313-2920-750 | SAE C – Str. Keyed, 1.250″ Dia., 5/16 x 1 1/2” Key | 2″ | 11 |
| 8 | 313-2922-750 | 313-2922-750 | SAE C – Str. Keyed, 1.250″ Dia., 5/16 x 1 1/2” Key | 2 1/4″ | 11 |
| 9 | 313-2925-750 | 313-2925-750 | SAE C – Str. Keyed, 1.250″ Dia., 5/16 x 1 1/2” Key | 2 1/2″ | 11 |
| 10 | 313-2927-750 | 313-2927-750 | SAE C – Str. Keyed, 1.250″ Dia., 5/16 x 1 1/2” Key | 2 3/4″ | 11 |
| 11 | 313-2930-750 | 313-2930-750 | SAE C – Str. Keyed, 1.250″ Dia., 5/16 x 1 1/2” Key | 3″ | 11 |
| Item | Parker No. | Description | Gear Width | Type 1 | |
|---|---|---|---|---|---|
| 1 | 313-2905-230 | 313-2905-230 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 1/2″ | 25 |
| 2 | 313-2907-230 | 313-2907-230 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 3/4″ | 25 |
| 3 | 313-2910-230 | 313-2910-230 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 1″ | 25 |
| 4 | 313-2912-230 | 313-2912-230 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 1 1/4″ | 25 |
| 5 | 313-2915-230 | 313-2915-230 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 1 1/2″ | 25 |
| 6 | 313-2917-230 | 313-2917-230 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 1 3/4″ | 25 |
| 7 | 313-2920-230 | 313-2920-230 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 2″ | 25 |
| 8 | 313-2922-230 | 313-2922-230 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 2 1/4″ | 25 |
| 9 | 313-2925-230 | 313-2925-230 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 2 1/2″ | 25 |
| 10 | 313-2927-230 | 313-2927-230 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 2 3/4″ | 25 |
| 11 | 313-2930-230 | 313-2930-230 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 3″ | 25 |
| Item | Parker No. | Description | GearWidth | Type 1 | |
|---|---|---|---|---|---|
| 1 | 313-2905-740 | 313-2905-740 | Straight Keyed , 0.9984″ Major Dia., Key 1/4″ x 3/8″ x 1 1/4″ | 1/2″ | 43 |
| 2 | 313-2907-740 | 313-2907-740 | Straight Keyed , 0.9984″ Major Dia., Key 1/4″ x 3/8″ x 1 1/4″ | 3/4″ | 43 |
| 3 | 313-2910-740 | 313-2910-740 | Straight Keyed , 0.9984″ Major Dia., Key 1/4″ x 3/8″ x 1 1/4″ | 1″ | 43 |
| 4 | 313-2912-740 | 313-2912-740 | Straight Keyed , 0.9984″ Major Dia., Key 1/4″ x 3/8″ x 1 1/4″ | 1 1/4″ | 43 |
| 5 | 313-2915-740 | 313-2915-740 | Straight Keyed , 0.9984″ Major Dia., Key 1/4″ x 3/8″ x 1 1/4″ | 1 1/2″ | 43 |
| 6 | 313-2917-740 | 313-2917-740 | Straight Keyed , 0.9984″ Major Dia., Key 1/4″ x 3/8″ x 1 1/4″ | 1 3/4″ | 43 |
| 7 | 313-2920-740 | 313-2920-740 | Straight Keyed , 0.9984″ Major Dia., Key 1/4″ x 3/8″ x 1 1/4″ | 2″ | 43 |
| 8 | 313-2922-740 | 313-2922-740 | Straight Keyed , 0.9984″ Major Dia., Key 1/4″ x 3/8″ x 1 1/4″ | 2 1/4″ | 43 |
| 9 | 313-2925-740 | 313-2925-740 | Straight Keyed , 0.9984″ Major Dia., Key 1/4″ x 3/8″ x 1 1/4″ | 2 1/2″ | 43 |
| 10 | 313-2927-740 | 313-2927-740 | Straight Keyed , 0.9984″ Major Dia., Key 1/4″ x 3/8″ x 1 1/4″ | 2 3/4″ | 43 |
| 11 | 313-2930-740 | 313-2930-740 | Straight Keyed , 0.9984″ Major Dia., Key 1/4″ x 3/8″ x 1 1/4″ | 3″ | 43 |
| Item | Parker No. | Description | Gear Width | Type 2 | |
|---|---|---|---|---|---|
| 1 | 313-2905-450 | 313-2905-450 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 1/2″ | 53 |
| 2 | 313-2907-450 | 313-2907-450 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 3/4″ | 53 |
| 3 | 313-2910-450 | 313-2910-450 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 1″ | 53 |
| 4 | 313-2912-450 | 313-2912-450 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 1 1/4″ | 53 |
| 5 | 313-2915-450 | 313-2915-450 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 1 1/2″ | 53 |
| 6 | 313-2917-450 | 313-2917-450 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 1 3/4″ | 53 |
| 7 | 313-2920-450 | 313-2920-450 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 2″ | 53 |
| 8 | 313-2922-450 | 313-2922-450 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 2 1/4″ | 53 |
| 9 | 313-2925-450 | 313-2925-450 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 2 1/2″ | 53 |
| 10 | 313-2927-450 | 313-2927-450 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 2 3/4″ | 53 |
| 11 | 313-2930-450 | 313-2930-450 | SAE C – 14 Tooth Spline, 1.228″ Major Diameter | 3″ | 53 |
| Item | Dynaco No. | Parker No. | Description | Gear Width | Type 2 |
|---|---|---|---|---|---|
| 1 | 313-2905-430 | 313-2905-430 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 1/2″ | 65 |
| 2 | 313-2907-430 | 313-2907-430 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 3/4″ | 65 |
| 3 | 313-2910-430 | 313-2910-430 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 1″ | 65 |
| 4 | 313-2912-430 | 313-2912-430 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 1 1/4″ | 65 |
| 5 | 313-2915-430 | 313-2915-430 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 1 1/2″ | 65 |
| 6 | 313-2917-430 | 313-2917-430 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 1 3/4″ | 65 |
| 7 | 313-2920-430 | 313-2920-430 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 2″ | 65 |
| 8 | 313-2922-430 | 313-2922-430 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 2 1/4″ | 65 |
| 9 | 313-2925-430 | 313-2925-430 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 2 1/2″ | 65 |
| 10 | 313-2927-430 | 313-2927-430 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 2 3/4″ | 65 |
| 11 | 313-2930-430 | 313-2930-430 | SAE B – 13 Tooth Spline, 0.858″ Major Diameter | 3″ | 65 |