| Pump Type | 376 | 377 | 27906 | 28006 | 27905 | 28005 |
| Displacement (in3/stroke) | 0.45 | 0.23 | 0.57 | |||
| Displacement (cc/stroke) | 7.3 | 3.8 | 9.4 | |||
| Max. pressure (PSI) | 1820 | 3620 | 3620 | |||
| Max. pressure (bar) | 125 | 250 | 250 | |||
| Lever effort at max. pres. (lb) | 66 | 60 | ||||
| Lever effort at max. pres. (kg) | 30 | 27 | ||||
| Relief valve | Variable by hand-wheel | |||||
| Other valve | Manual lowering (S/A cyl.) | Manual directional control for D/A cylinder etc. | ||||
| Tank volume (US gal.) | 0.66 or 1.32 | 0.34 | 0.21 | |||
| Tank volume (litres) | 2.5 or 5 | 1.3 | 0.8 | |||
| Tank position | Rear | Left | Right | Left | Right | |