Danfoss
421AK01261B
This product has been discontinued.
The product is no longer available for purchase, but you can still find information about it, including service manuals, drawing etc.
421AK01261B
Product specifications
Characteristic | Value |
|---|---|
| Application | Loader backhoes, Vibratory cable plows, Mining machinery, Dump truck lifts, Agriculture tractors, Chemical applicator trucks, Railroad equipment, Container handling, all-terrain and truck cranes, Vibratory cable plows, Mining machinery and tunnel boring equipment, Utility boom, off-road dump and refuse trucks, Material handling trucks and rough terrain fork lifts, Concrete and asphalt pavers, Feller/bunchers, forwarders and log loaders, Crawler dozers, Articulate haulers, Mini-excavators |
| Auxiliary Mounting | None |
| Bearing Life at Rated Pressure | 5510 Hrs |
| Brand | Danfoss |
| Code Title | Open Circuit Piston Pump |
| Continuous Allowable Case Pressure | 320 bar |
| Control Special Features | None |
| Controller Type | Pressure and Flow Compensator with Torque Control and .4375-20 SAE O-Ring Load Sense Port Left Side |
| Design code | Second |
| Diagnostic Pressure Ports | None |
| Displacement | 49.2 cm³/rev |
| Drain Port Size & Location | 1.0625-12 UNF-2B O-Ring Port - Top |
| Feature | Fastest response and recovery times in the marketIncrease efficiency with advanced control optionsHigh pressure and flow capacity |
| Fluid Cleanliness | 21/18/13 per ISO 4066 |
| Front Mounting | 2 Bolt B |
| Housing material | Cast Iron |
| Identification | Danfoss |
| Inlet pressure | 280 bar |
| Input shaft | 15 Tooth 16/32 Spline, Shaft Extension 46 [1.81] |
| Input Speed - Maximum | 3600 RPM |
| Input Speed - Minimum | 600 RPM |
| Input Speed At 0.8 Bar Absolute | 2450 RPM |
| Input Speed At 1.0 Bar Absolute | 2650 RPM |
| Input Speed At 2.0 Bar Absolute | 2950 RPM |
| Main Port Size & Location | Rear Ports; Suction - 2.00 SAE J518 4-Bolt Split Flange Port Standard Pressure Series (Code 61); Pressure - 1.00 SAE J518 4-Bolt Split Flange Port Standard Pressure Series (Code 61) |
| Maximum Case Drain Temperature | 220 °F |
| Maximum Case Pressure | 350 bar |
| Maximum Displacement Option | Standard Displacement |
| Maximum Flow Compensator Setting | 22.06 bar |
| Maximum Input Power | 60.8 kW |
| Maximum Input Torque | 219 Nm |
| Maximum Pressure Compensator Setting | 279.3 bar |
| Maximum Recommended Operating Viscosity | 40 cSt |
| Minimum Flow Compensator Setting | 19.31 bar |
| Minimum Pressure Compensator Setting | 272.4 bar |
| Minimum Recommended Operating Viscosity | 16 cSt |
| Model Code | ADU049R08AA10H4221AH00100100CD0B |
| Nominal Pressure Rating | 4600 Psi |
| Paint | Blue Primer Per Spec 209-13Cd |
| Peak Pressure Rating | 5000 Psi |
| Product Height | 8.85 in |
| Product Length/Depth | 12.4 in |
| Product Type | Open Circuit Piston Pumps |
| Product Volume | 770.375 in³ |
| Product Weight | 50.4 lb |
| Product Width | 7.02 in |
| Pump Special Features | None |
| Response time | 20 ms |
| Shaft rotation | Right |
| Shaft seals | Polyacrylate |
| Sub-brand | None |
| Theoretical Input Power | 60.8 kW |
| Theoretical Input Torque At Maximum Displacement | 219 Nm |
| Torque Control Setting | 1050 in lb |
| Trade Name | X20 |