The Case IH 685 tractor hydraulic capacity is 9 gal | 34.1 L, pump flow is 15.8 gpm | 59.8 lpm, and hydraulic pressure is 2500 psi | 172.4 bar.
Case IH 685 Hydraulic Capacity & Flow Specs
| Hydraulic type | open center |
|---|---|
| Hydraulic capacity | 9 gal | 34.1 L |
| Hydraulic pressure | 2500 psi | 172.4 bar |
| Pump flow | 15.8 gpm | 59.8 lpm |
| Hydraulic valves | 1 or 2 |
Case IH 685 Hitch, Remote & Lift Specs
| Rear hitch type | II/I |
|---|---|
| Rear lift at 24 inches | 3260 lbs | 1478 kg |
Case IH 685 Useful Hydraulic Calculations
| Pump flow per gallon of hydraulic capacity | 1.8 gpm per gal |
|---|---|
| Hydraulic tank turnover estimate | about 0.6 minutes at rated pump flow |
| Rear lift per pump gpm | 206.3 lb per gpm |
| Rear lift per hydraulic gallon | 362.2 lb per gal |
| Estimated hydraulic horsepower | about 23 hydraulic hp from listed pressure and pump flow |
| Metric capacity vs pump flow | 34.1 L capacity with 15.8 gpm pump flow |
Case IH 685 Hydraulic Comparison Charts
Hydraulic capacity comparison
Pump flow comparison
Hydraulic pressure comparison
Rear lift comparison
Benchmarks use practical low, average and high ranges for the utility and row-crop tractor category. These are comparison guides only; use the operator manual and exact tractor configuration before buying parts, oil, loaders or hydraulic implements.
Case IH 685 Steering, Brakes & Mechanical Hydraulic Notes
| Steering | Power steering |
|---|---|
| Brakes | hydraulic wet disc brakes |
Case IH 685 Hydraulic Capacity FAQ
Is the Case IH 685 hydraulic capacity big or small for its size?
The Case IH 685 lists 9 gal | 34.1 L of hydraulic capacity, which is below the 18 gal benchmark for this group. Real talk: that is not automatically bad, but it gives you less oil volume as a heat buffer during loader work, hydraulic motors or long remote use.
Will the Case IH 685 hydraulics feel fast or slow?
The useful speed clue is 15.8 gpm | 59.8 lpm pump flow, above the 14 gpm benchmark for this group. That is the spec that helps loader cycle speed, remote response and hydraulic implement speed.
What does the Case IH 685 hydraulic pressure tell you?
The pressure spec is 2500 psi | 172.4 bar, close to the 2,600 psi benchmark. That is a normal working-pressure number for this tractor category.
What matters most for loader speed on the Case IH 685?
On the Case IH 685, 15.8 gpm | 59.8 lpm pump flow points to quicker loader and cylinder movement, 2,500 psi pressure affects force more than speed, and 3,260 lb listed lift is the number to watch for implement weight. Flow is the speed number; pressure and lift are the force numbers.
How do you judge hydraulic implement fit on the Case IH 685?
For implement matching, the useful checks are 15.8 gpm flow, 2,500 psi pressure, 3,260 lb listed lift, and 1 or 2 remote/valve listing. That combination is fast enough on paper for quicker cylinder movement than many tractors in this size group, normal on pressure for the class, and best kept realistic on heavy rear implements, so match the implement by hydraulic demand, hitch category and actual tractor setup rather than model name alone.
Is the Case IH 685 rear lift capacity strong?
The listed lift figure is 3260 lbs | 1478 kg, below the 7,000 lb benchmark. Keep rear implements realistic and pay attention to weight carried behind the lift points.
Are the Case IH 685 hydraulic remotes enough?
The Case IH 685 remote/valve listing is 1 or 2. Because that wording may be optional or configuration-dependent, treat it as a setup check before buying an implement that needs rear hydraulic outlets.
Will the Case IH 685 hydraulics handle long hydraulic jobs?
The useful heat clues are 9 gal of hydraulic capacity, 15.8 gpm flow, 2,500 psi pressure, and about 23 hydraulic hp by the pressure-flow estimate. That is a fairly normal flow-to-oil-volume relationship for mixed tractor work.
How much hydraulic power does the Case IH 685 make on paper?
Using 2,500 psi and 15.8 gpm, the rough pressure-flow estimate is about 23 hydraulic hp. That is a useful middle-range hydraulic power figure for normal tractor work. It is a comparison number, not engine horsepower.
What do the Case IH 685 hitch hydraulic specs mean?
The hitch-side hydraulic clues are that rear hitch type is II/I and listed lift is 3260 lbs | 1478 kg. For real implement choice, hitch category gets it connected, lift capacity gets it raised, and hydraulic flow gets cylinders moving at a usable speed.
Hydraulic capacity, pressure, flow, valves, remotes and lift specs can vary by year, market, transmission, pump option, loader package and tractor configuration. Check the operator manual, hydraulic oil dipstick/sight glass, parts book and official caseih.com website before buying hydraulic oil, servicing the system or sizing hydraulic implements.
