Danfoss 83121781

PUMP-VAR-DISPL CW H1PV078

MPN: 83121781
Category: Mobile closed-circuit piston pumps

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12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
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What is the Danfoss 83121781?

Danfoss PUMP-VAR-DISPL CW H1PV078, manufacturer part number 83121781. Sourced on request from PartnerPLC — contact us to check availability, condition and lead time.

Specifications

Series	H1 - Series
Product type	Variable pump
Frame Size	78cc/rev max/variable displacement
Rotation	Right hand - clockwise
Product version	Product version B
Configuration of ports	ANSI O-ring boss port configuration
Control	Manual displacement control
Orifices	P = none, A+B = none, TA+TB=1.3mm
Displacement limitation	Adjustable externally (electrical displacement control/forward neutral reverse control)
Endcap type	Twin port, code 62 metric 4 bolt flange, integral pressure filter
Mounting flange	SAE C 4 bolt flange
Input shaft	21 tooth, 16/32
Auxiliary pad	9 tooth, A pad
Protection type side A	Pressure limiter, high pressure relief valve
High pressure setting side A	300 bar
Protection type side B	High pressure relief valve + pressure limiter
High pressure setting side B	300 bar
Charge pump	17cc/rev
Filtration	Integral full flow with filter bypass sensor
Charge relief pressure setting	24 bar charge pressure relief valve
Special hardware features	Manual displacement control valve plate, with handle
Paint and nametag	Black paint, Danfoss tag A
Settings	Manual displacement control standard handle orientation
Proposition 65	Cancer and Reproductive Harm

83121781: frequently asked questions

When can 83121781 be shipped?

83121781 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up 83121781 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for 83121781 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 83121781, subject to availability and destination.