Danfoss Medium Duty Piston Pump
Parts Information
The Danfoss Model 70160 is a Medium Duty Variable Displacement Piston Pump, manually controlled, with displacements of 20,3 cm³/r [1.24 in³/r] or 23,6 cm³/r [1.44 in³/r].
Identification Numbers
Identification numbers for the Manually Variable Displacement Piston Pump are stamped on each unit's mounting flange.
Single Pump - Product Number: 70160 - RAA-02
Tandem Pumps - Product Number: 78163 - RAB-02
Serial Number Code: A 98 01 31 JB
The serial number code includes:
- Revision level of parts list.
- Last two digits of year built (e.g., 98 for 1998).
- Tester's Initials
- Day of Month (two digits)
- Month (two digits)
Each order must include the following information:
- Product and/or Part Number
- Serial Number Code
- Part Name
- Quantity
Tools Required
- 1/2, 9/16, 7/8 & 1-1/8 in. sockets and/or end wrenches
- Torque wrench (136 Nm [100 lbfft] capacity)
- Ratchet wrench
- 5/16 in. and 7/16 Allen wrenches or bit sockets
- Internal and external retaining ring pliers
- Small screwdrivers (2)
- Hammer (soft face)
- Light Petroleum Jelly
- Seal driver or similar tool
Parts Drawing
The pump drawing below is typical of a right-hand pump.
Shaft assembly for single pump or front pump of tandem.
Shaft assembly for rear pump of tandem.
[Diagram showing exploded view of pump components with numbered parts]
Parts List
Parts listed below are to service catalog units. Other variations of units are built that have parts altered for special requirements. The non-catalog units can be serviced with the parts list below using caution for proper identification. Contact a Danfoss representative with any questions concerning your selection. Have your final assembly number ready when contacting the representative.
| Item | 02 Part No. | Qty. | Description |
|---|---|---|---|
| 1 | 1 | Drive Shaft (Identification drawing on page #8) | |
| 2 | 1 | Endcover Assembly (Identification drawing and parts list on page #9) | |
| 3 | 1 | Housing Assembly (Identification drawing on page #10) | |
| 3-1 | 16238-11616 | 1 | Bearing (Press Fit) |
| 4 | 70111-692 | 1 | Rotating Kit Assembly (parts list on page #10) |
| 5 | 1 | Swashplate, 20,3 cm³/r [1.24 in³/r] Displacement | |
| 70160-623 | 1 | Square Arm | |
| 70160-617 | 1 | Tapered Arm | |
| 70160-620 | 1 | Swashplate, 23,6 cm³/r [1.44 in³/r] Displacement | |
| 70160-618 | 1 | Square Arm | |
| 1 | Tapered Arm | ||
| 6 | 16048-312 | 1 | Washer |
| + 7 | 16077-26 | 1 | Retaining Ring |
| + 8 | 16078-16 | 2 | Retaining Ring |
| 9 | 16241-1625 | 1 | Thrust Bearing |
| 10 | 16241-C1625 | 2 | Bearing Race |
| + 11 | 16253-16 | 1 | Shaft Seal, Drive |
| 11 | 16253-216 | 1 | Viton Shaft Seal, Drive |
| 11 | 70102-636 | 1 | Spacer |
| + 12 | 70111-701 | 1 | Housing Gasket |
| 13 | 70160-504 | 1 | Swashplate Insert |
| 14 | 106013-038 | 6 | Washer |
| + 16 | 16253-214 | 1 | Shaft Seal, Trunnion |
| 17 | 16136-610 | 6 | Screw, Cap |
| 18 | 17086-017 | 2 | Spring |
| 19 | 32060-8 | 2 | Plug Assembly |
| + 19-1 | 16015-18-90 | 2 | O-ring, 2,38 mm Dia. x 22,23 mm ID. [.0937 in. Dia. x .875 in. ID.] |
| 20 | 1 | Relief Valve for Port "C" (Identification drawing on page #11) | |
| 21 | 1 | Relief Valve for Port "D" (Identification drawing on page #11) | |
| 22 | 16320-117 | 2 | Cone Bearing |
| 23 | 70160-508 | 1 | Cover Plate |
| 24 | 70160-510 | 1 | Cover Plate |
| 26 | 16028-304 | 2 | Dowel Pin |
| 27 | 16136-520 | 2 | Cap Screws, 5/16-18, 50,8 mm [2 in.] Long |
| 27A | 16136-532 | 2 | Cap Screws, 5/16-18, 82,6 mm [3.25 in.] Long |
| 27B | 16136-534 | 2 | Cap Screws, 5/16-18, 88,9 mm [3.5 in.] Long |
| 28 | 16136-524 | 2 | Cap Screws, 5/16-18, 63,5 mm [2.5 in.] Long |
| 28A | 16136-536 | 2 | Cap Screws, 5/16-18, 95,3 mm [3.75 in.] Long |
| 28B | 16136-540 | 2 | Cap Screws, 5/16-18, 101,6 mm [4.00 in.] Long |
| 29 | 1 | Key, Drive Shaft | |
| 24500-619 | Used with 7/8 in. dia. drive shaft. | ||
| 30 | 16246-430 | 1 | Key, Tapered Arm |
| 31 | 70142-600 | 1 | Cover Plate (In K3 kit) |
| + 32 | 16007-14 | 1 | O-ring (In K1, K2, K3, & K4 kit) |
| 33 | 16036-610 | 2 | Cap Screws, Cover Plate (In K3 kit) |
| 34 | 16103-108 | 1 | Plug Assembly |
| + 34-1 | 16133-8 | 1 | O-ring, 2,21 mm Dia. x 16,36 mm ID. [.087 in. Dia. x .644 in. ID.] |
| + 35 | 70111-703 | 1 | Molded O-ring |
| 36 | 1 | Charge Pump Adaptor (Identification drawing and parts list on page #12 & #13) | |
| 37 | 70111-642 | Gerotor set and coupler sub-assembly | |
| 70111-646 | 6,9 cm³/r [.42 in³/r] displacement, 6,35 mm [.25 in ] width | ||
| 13,8 cm³/r [.84 in³/r] displacement, 12,7 mm [.5 in] width | |||
| 37 | 70111-667 | 1 | 9 tooth coupler (In Kit 4) |
| 37 | 70111-687 | 1 | 11 tooth coupler (In Kit 5) |
| 39 | 16321-117 | 2 | Cup, Bearing |
| 40 | N/S | 1 | Ring, Crush (Shim kit must be ordered to replace crush ring). |
| 41 | 16015-46 | 2 | O-ring, 2.38 mm Dia. x 66.68 mm I.D. [.0937 in. Dia. x 2.625 in. I.D.] |
| 42 | 106013-031 | 4 | Washer |
| 46 | 70111-632 | 1 | Mounting Bracket, Square shaped |
| 46 | 70111-709 | 1 | Mounting Bracket, "V" shaped |
| 48 | 1 | Valve Plate (Identification drawing on page #11) | |
| 70113-008 | Righthand (CW) Rotation | ||
| 70113-009 | Lefthand (CCW) Rotation | ||
| + 49 | 16103-108 | 1 | Plug Assembly |
| 49-1 | 16133-8 | 1 | O-ring, 2,21 mm Dia. x 16,36 mm I.D. [.087 in. Dia. x .644 in. I.D.] |
| 50 | 16103-308 | 1 | Plug Assembly |
| + 50-1 | 16133-8 | 1 | O-ring, 2,21 mm Dia. x 16,36 mm I.D. [.087 in. Dia. x .644 in. I.D.] |
| 51 | 16103-308 | 1 | Plug Assembly |
| + 51-1 | 16133-8 | 1 | O-ring, 2,21 mm Dia. x 16,36 mm I.D. [.087 in. Dia. x .644 in. I.D.] |
| 55 | 70300-610 | 1 | Bypass Valve sub-assembly |
| + 55-1 | 16078-6 | 1 | Retaining Ring |
| 55-2 | 70300-609 | 1 | Separator Plug |
| 55-3 | 70411-502 | 1 | Separator |
| + 55-4 | 16003-7 | 1 | O-ring, 1,59 mm Dia. x 9,53 mm I.D. [.0625 in. Dia. x .375 in. I.D.] |
| + 55-5 | 16133-8 | 1 | O-ring, 2,21 mm Dia. x 16,36 mm I.D. [.087 in. Dia. x .644 in. I.D.] |
Mounting Kits
| K1 | Part No. | Qty. | Description |
|---|---|---|---|
| K1 | 70142-944 | 1 | Tandem Piston Pump Mounting Kit |
| K1-1 | 70111-666 | 1 | 35T Coupler, 36,8 mm [1.45 in.] long |
| K1-2 | 16007-14 | 1 | O-ring, 1,59 mm Dia. x 101,6 mm ID. [.0625 in. Dia. x 4 in. ID.] |
| K1-3 | 16136-613 | 2 | Cap Screws |
| K1-4 | 16048-8 | 2 | Washer |
| K2 | 70442-929 | 1 | Gear Pump Mounting Kit |
| K2-1 | 16007-14 | 1 | O-ring, 1,59 mm Dia. x 82,55 mm ID. [.0625 in. Dia. x 3.25 in. ID.] |
| K2-2 | 16048-113 | 2 | Washer |
| K2-3 | 16136-612 | 2 | Cap Screws |
| K3 | 70142-915 | 1 | Cover Plate Kit |
| K3-1 | 16007-14 | 1 | O-ring, 1,59 mm Dia. x 82,55 mm ID. [.0625 in. Dia. x 3.25 in. ID.] |
| K3-2 | 70142-600 | 1 | Cover Plate |
| K3-3 | 16136-610 | 2 | Cap Screws |
| K4 | 70144-903 | 1 | Gear Pump Mounting Kit with Coupler |
| K4-1 | 16007-14 | 1 | O-ring, 1,59 mm Dia. x 101,6 mm ID. [.0625 in. Dia. x 4 in. ID.] |
| K4-2 | 16048-113 | 2 | Washer |
| K4-3 | 16136-612 | 2 | Cap Screws |
| K4-4 | 70111-667 | 1 | 9T Coupler |
Seal Repair Kit
- 70160-902: Seal Repair Kit for 70160 piston pump.
- 70160-903: Control Shaft Shim Kit (to replace crush ring (40) after replacement of cover plate).
Item 1 - Drive Shaft Identification
[Diagram showing different drive shafts with part numbers, input drive types, where used, and output drive specifications]
Item 2 - Endcover Assembly Identification
[Diagrams showing different endcover assemblies with part numbers and descriptions]
Item 2 - Parts List
| Item | Part Number | Qty. | Description |
|---|---|---|---|
| 2 | See chart below | Endcover Assembly | |
| 2-1 | 70420-43 | 1 | Bearing |
| 2-2 | 16026-610 | 1 | Roll Pin |
| 2-3 | 16133-6 | 1 | O-ring |
| 2-4 | 70111-711 | 1 | Charge Relief Housing |
| 2-5 | 70111-507 | 1 | Poppet Filter Relief |
| 2-6 | 17000-48B | 1 | Spring (100-150 PSI) |
| 2-7 | 16048-260 | 1 | Washer |
| 2-8 | 16077-10 | 1 | Retaining Ring |
| 2-9 | 70400-508 | 1 | Bleed-off Valve Poppet |
| 2-10 | 17023-12 | 1 | Spring |
| 2-11 | 16133-5 | 1 | O-ring |
| 2-12 | 70400-501 | 1 | Cartridge |
Item 2 - Endcover Assembly Identification
| Item | Part Number | Pump | Main Port | Bypass Valve | Charge Relief to Case | Charge Relief Setting [PSI] | Special Feature |
|---|---|---|---|---|---|---|---|
| 2(a) | 70119-005 | Yes | Opposite Sides* | Yes | No | ||
| 2(b) | 70117-021 | No | Opposite Sides* | Yes | No | ||
| 2(c) | 70121-022 | No | Same Side* | Yes | Yes | 6,89-10,34 [100-150] | Bleed Off & Mounting Holes |
| 2(d) | 70117-023 | No | Opposite Sides* | Yes | Yes | 6,89-10,34 [100-150] |
* Port Size: 1 1/16-12 UN-2B
Item 3 - Housing Assembly Identification
[Diagrams showing housing assemblies with port machining information]
| Item | Part Number | Port Machined |
|---|---|---|
| 3 | 70160-307 | D1 & D2 |
| 3 | 113077-001 | D1, D2, & D4 |
Item 4 - Rotating Kit Assembly
[Diagram showing components of the rotating kit assembly with part numbers and descriptions]
| Item | Part Number | Qty. | Description |
|---|---|---|---|
| 4 | 70111-692 | 1 | Rotating Kit Assy. |
| 4-1 | NSS | 9 | Piston Assembly |
| 4-2 | NSS | 1 | Shoe Retainer |
| 4-3 | NSS | 1 | Shoe Retainer Pivot |
| 4-4 | NSS | 1 | Pin retainer |
| 4-5 | NSS | 1 | Cylinder Barrel |
| 4-6 | NSS | 3 | Pins |
| 4-7 | NSS | 2 | Washer |
| 4-8 | NSS | 1 | Spring |
| 4-9 | NSS | 1 | Retaining Ring |
NSS - Not Sold Separately
Item 20 or 21 - Relief Valve
Internal Relief Valve Settings Available
| Part Number | bar [PSI] |
|---|---|
| 32060-LA | 138 [2000] |
| 32060-QA | 172 [2500] |
| 32060-UA | 207 [3000] |
| 32060-WA | 241 [3500] |
| 32060-ZA | 276 [4000] |
| 32060-XA | 310 [4500] |
| 32060-IA | 345 [5000] |
| 70111-518 | Seat, Valve |
[Diagram showing relief valve assembly with number and pressure setting]
Item 48 - Valve Plate
[Diagrams showing valve plates for low cam effort valving, lefthand rotation, and righthand rotation, with identification numbers and notes]
Item 36 - Charge Pump Adapter Assembly Identification
Right Hand Rotation
[Diagram showing charge pump adapter assembly for right hand rotation with components and configurations for different pressure settings]
Gerotor Pocket Depth
| Displacement cm³/r [in³/r] | Depth of Pocket mm [in] |
|---|---|
| 6,9 [.42] | 6,35 [.25] |
| 13,8 [.84] | 12,7 [.50] |
Left Hand Rotation
[Diagram showing charge pump adapter assembly for left hand rotation with components and configurations for different pressure settings]
Item 36 - Charge Pump Adapter Assembly
6,9 to 10,3 bar [100 to 150 PSI] Charge Relief Setting
| Item | Part No. | Qty. | Description | Rotation | Displacement |
|---|---|---|---|---|---|
| 36 | 70142-314 | 1 | Assembly, Charge Pump Adapter | Righthand | 6,88 cm³/r [.42 in³/r] |
| 70142-306 | 1 | Assembly, Charge Pump Adapter | Lefthand | 13,8 cm³/r [.84 in³/r] | |
| 70141-397 | 1 | Assembly, Charge Pump Adapter | Righthand | 13,8 cm³/r [.84 in³/r] | |
| 70142-359 | 1 | Assembly, Charge Pump Adapter | Lefthand | 6,88 cm³/r [.42 in³/r] | |
| 36-1 | 16239-1148 | 1 | Bearing (press fit) | ||
| 36-2 | 70111-507 | 1 | Poppet, Cup | ||
| 36-3 | 17000-48B | 1 | Spring, Tapered | ||
| 36-4 | 70400-505 | 1 | Spring Retainer |
13,8 to 17,2 bar [200 to 250 PSI] Charge Relief Setting
| Item | Part No. | Qty. | Description | Rotation | Displacement |
|---|---|---|---|---|---|
| 36 | 70142-373 | 1 | Assembly, Charge Pump Adapter | Lefthand | 6,88 cm³/r [.42 in³/r] |
| 70142-377 | 1 | Assembly, Charge Pump Adapter | Righthand | 6,88 cm³/r [.42 in³/r] | |
| 70142-380 | 1 | Assembly, Charge Pump Adapter | Righthand | 13,8 cm³/r [.84 in³/r] | |
| 70142-385 | 1 | Assembly, Charge Pump Adapter | Lefthand | 13,8 cm³/r [.84 in³/r] | |
| 36-1 | 16239-1148 | 1 | Bearing (press fit) | ||
| 36-2a | 70400-685 | 1 | Poppet, Pin | ||
| 36-3a | 17056-40 | 1 | Spring, Color "Light Green" | ||
| 36-4a | 70400-512 | 1 | Spring Retainer |
17,2 to 20,7 bar [250 to 300 PSI] Charge Relief Setting
| Item | Part No. | Qty. | Description | Rotation | Displacement |
|---|---|---|---|---|---|
| 36 | 70142-376 | 1 | Assembly, Charge Pump Adapter | Righthand | 6,88 cm³/r [.42 in³/r] |
| 70142-381 | 1 | Assembly, Charge Pump Adapter | Lefthand | 6,88 cm³/r [.42 in³/r] | |
| 70142-386 | 1 | Assembly, Charge Pump Adapter | Lefthand | 13,8 cm³/r [.84 in³/r] | |
| 36-1 | 16239-1148 | 1 | Bearing (press fit) | ||
| 36-2a | 70400-685 | 1 | Poppet, Pin | ||
| 36-3b | 17056-41 | 1 | Spring, Color "Pink" | ||
| 36-4a | 70400-512 | 1 | Spring Retainer |
For further product information, visit www.danfoss.com.
Danfoss Power Solutions is a global manufacturer and supplier of high-quality hydraulic and electric components, specializing in state-of-the-art technology for mobile off-highway and marine sectors. They offer expert worldwide support and a comprehensive network of Global Service Partners.
Products Offered by Danfoss:
- Cartridge valves
- DCV directional control valves
- Electric converters
- Electric machines
- Electric motors
- Gear motors
- Gear pumps
- Hydraulic integrated circuits (HICs)
- Hydrostatic motors
- Hydrostatic pumps
- Orbital motors
- PLUS+1 controllers
- PLUS+1 displays
- PLUS+1® joysticks and pedals
- PLUS+1 operator interfaces
- PLUS+1 sensors
- PLUS+1 software
- PLUS+1 software services, support and training
- Position controls and sensors
- PVG proportional valves
- Steering components and systems
- Telematics
Related Companies:
- Hydro-Gear: www.hydro-gear.com
- Daikin-Sauer-Danfoss: www.daikin-sauer-danfoss.com
Danfoss Locations:
- Danfoss Power Solutions (US) Company, Ames, IA, USA
- Danfoss Power Solutions GmbH & Co. OHG, Neumünster, Germany
- Danfoss Power Solutions ApS, Nordborg, Denmark
- Danfoss Power Solutions Trading (Shanghai) Co., Ltd., Shanghai, China
