Hydraulic excavators usually couple engine power to (commonly) three hydraulic pumps rather than to mechanical drivetrains. The two main pumps supply oil at high pressure (up to 5000 psi) for the arms, swing motor, track motors and accessories while the third is a lower pressure (~700 psi) pump for pilot control of the spool valves; this third circuit allows for reduced physical effort when operating the controls. Generally, the 3 pumps used in excavators consist of 2 variable displacement piston pumps and a gear pump. The arrangement of the pumps in the excavator unit changes with different manufacturers using different formats.
2008 Case IH Farmall 95 MFWD Tractor W/Loader, 575 Hrs Showing, FPT Turbocharged And Intercooled 4-Cyl, Diesel, Water Cooled Engine, 12 Forward Speeds, 540 PTO, Small 1000 PTO, Heater, AC, Radio, 320/85R24 Front Tires, 18.4-30 Rear Tires, 2 Wheel Steering, 3 Point Hitch, Block Heater, Additional Lighting Package With Beacon Light, 2 Auxiliary Hydraulics, 2 Doors, 12 Reverse Speeds, Rear PTO Location Axle(S), Mechanical Shuttle Shift Transmission *Includes* 2009 Model L730 Quick Attach Loader SN: Y9WLE4212, Quick Attach Mid Mounted Hydraulic Block, Live Hydraulic Joystick, Third Function For Grapple, 8 Foot Bucket, Standard Skid Loader Quick Attach Mount For Bucket, SN: Z8JP51190 ...more

IVT, ILS, Front Duals, Prem Cab, Active Seat, 7" Color TouchScreen, Michelin 480R50 Rear, Michelin 420R34 Front, 5 Hyd, Big Hyd Pump (60GPM), 18300# 3 Point, HID Lights, Front Fenders, Rear Fender Ext, Cat 4 Drawbar (No HD Sppt), 1000 PTO, 1 Pr 1400# Rear Wgts, 8 Front Wgts, XM Radio, Leather, Radar, Biz Band Ant, Cold Weather Pkg.|Front Weight Support with 8 Front Suitcase Weights and One Pair of 635 kg (1400 lb.)|Cold Weather Start Kit|Auxiliary Hydraulic Connections|John Deere PowerTech PSX 9.0 L (549 cu. In.) 6 Cyl IT4 / Stage 3b Compliant Diesel Engine|Foot Operated Speed Control|Antenna Mount and Wiring for Business Band (2-Way) Radio|Radar, Dual Beam Sensor|Leather Trim Package|Fenders, Full Coverage Rear 2.55 m (100 In.) Width|Fenders, Deluxe Pivoting Front for MFWD or ILS -480 mm (18.9 In.) Wide|480/70R34 In. 146A8 R1W Radial in Dual Wheel Configuration|Premium Lighting|John Deere Independent Link Suspension with Hydraulic Differential Lock, Fully Enclosed Driveline and Dual Tyre Capabili|480/80R50 In. 159A8 R1W Radial in Dual Wheel Configuration|120 mm (4.72 In.) Diameter x 3010 mm (118.5 In.) Length with Double Taper Wheel Hubs|Cat. 4 Adjustable Swinging Drawbar with 50 mm (2 In.) Pin with Heavy Duty Support|8,482 kg (18,700 Lb.) Lift Capacity Hitch (Cat 4N/3) Hitch with Sway Blocks and Quick Coupler|45 mm (1-3/4 In.) 1000 rpm PTO (20 Spline)|Five Remote Selective Control Valves with Push/Pull Breakaway Couplers and High Pressure Relief Levers|227.1 lpm (60 gpm) 85 cc Hydraulic Pump Displacement|Premium Radio Package with XM Radio|Premium CommandView II Cab with Active Seat|Touchscreen GS3 CommandCenter 7 Color Display, Video Capable|AutoPowr IVT Transmission 42 km/h (26 mph) with Right Hand Reverser Controls ...more
Tractor paid for, and loaded on to Kyle’s trailer, I called my wife. After a brief “conversation” about the home renovations all that cash could cover, the tractor was dropped off at Phelps’ garage. Rather than me figuring the machine out, I had Bill give it a once over, replace all the fluids, the few bad hoses, straighten the bent loader bucket, and re-pack that leaky swing arm cylinder. There was a new battery, too, and a few other things, which rung up to $1,500 or $500 more than I had anticipated before I started bidding.
On their own, compact tractors are powerful engines with wheels that can go pretty much wherever you want them to go. When they are combined with extra equipment, however, their power increases greatly. Most compact tractors have loaders on the front, which feature two parallel arms with connectors on the ends. Some of the following accessories attach to these loaders, and others attach to the back or the bottom of the tractor.
The Kubota was definitely not pretty. It had clearly spent its life sleeping outside. I tried to start it and nothing happened. But when Kyle brought over a jump pack it started right up. Right away it would need a battery. We started to make a list: battery, leaky swing arm on the backhoe, the filters were all old – one of them dated 2010 – two hydraulic hoses needed replacement … I Googled parts and prices on my cell phone before the bidding started. Those replacements, plus all new fluids I figured would take another $1,000 ballpark to get the machine back to level.
I bought my Kubota L3750 in August 2016, at Empire Farm Days. It’s the largest agricultural trade show in the Northeast. This happens to be an hour or so from our new homestead and start-up chicken farm in upstate New York. We had owned our property almost a year, and soon as we moved in I starting thinking about tractors. My aim was something big enough to manage food plots, handle firewood, and clear brush. In the L3750 I have that, and I hope what I learned along the way can help other greenhorn farmers and homesteaders make that first tractor purchase.
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