Backhoe 4400 Backhoe attachment

badfxr · May 7, 2009

Hello. I'm new to the website. I've been searching for information about my 4400 and came across this site. Looks like a place full of lots of info!

I have several questions concerning attaching a backhoe that I recently purchased to my 4400. The backhoe is NOT a JD product. I'm trying to adapt a hoe that was made for Century/Branson tractors to my Deere. I got a new one for a steal. I think it may be a little large for the 4400 (8.5', same as a JD 48), but I'm hoping it will work out.

Does anyone know what the hydraulic flow and pressure is from a 4400 power beyond kit? My tractor is already equipped with the mounting plates and power beyond kit. My concern is that the pressure is not going to be enough for the hoe. Does anyone know the pressure requirements for a JD 47 and 48 hoe that I can use as a comparrison?

Thanks!

kennyd · May 7, 2009

Copied from the online owners manual:

Hydraulic System

Type of System Open Center
Power Steering Standard
Pump Type Dual Gear
Working Pressure (4200) 14650 kPa (2125 psi)
Working Pressure (4300 & 4400) 17235 kPa (2500 psi)
Pump Capacity (Main) @ Rated Speed (4200) 27.6 L/min (7.3 gpm)
Pump Capacity (Main) @ Rated Speed (4300 and 4400) 31.4 L/min (8.3 gpm)
Pump Capacity (Power Steering) @ Rated Speed 18.9 L/min (5.0 gpm)
Total Flow of Pumps @ Rated Speed (4200) 46.5 L/min (12.3 gpm)
Total Flow of Pumps @ Rated Speed (4300 and 4400) 50.3 L/min (13.3 gpm)

You can download the manual from HERE if you don't have one.