Part of the John Deere Repair Manuals.
This is the factory John Deere technical manual (TM1780) for the 260 and 270 skid steer loaders. It carries the real service numbers you need on the floor: hydrostatic relief at 5000 psi, hydraulic system relief at 3100 psi, boom circuit relief at 3400 psi, charge pressures, pump flows for both standard and high-flow setups, plus engine, electrical, chain-case, steering, and brake procedures. Both machines run John Deere PowerTech diesels, the 260 a 2.9L three-cylinder and the 270 a 4.5L four-cylinder, and the manual splits every spec by model and serial-number break so you set the right value the first time.
What's Inside This John Deere 260, 270 Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety | Operating and Service Safety, Decal Locations, Lift and Support Procedures | |
| Specifications and Information | Engine Power, Capacities, Operating Weights, Dimensions, Torque Charts, Fuel and Fluid Specs | |
| Engine (Diesel) | PowerTech 3029T and 4045D, Fuel Injection, Idle Settings, Repair-Stand Torques | |
| Electrical | 12-Volt System, 55 Amp Alternator, Starting Circuit, Instrument Cluster, Wiring | |
| Power Train (Chain Case and Axles) | Chain Case Capacities by Serial Break, Drive Sprockets, Axle Service | |
| Power Train (Hydrostatic) | Hydrostatic Pumps and Motors, Charge Pressure, Relief Settings, Ground Speed | |
| Steering | Steering Controls, Linkage Adjustment, Neutral Setting | |
| Brakes | Park Brake Operation, Brake Drag Diagnosis, Adjustment | |
| Hydraulics | Boom and Bucket Circuits, Relief Pressures, Pump Flow, High-Flow Option | |
| Miscellaneous | Operator Station, Attachments, General Repair References |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| 260 | ||
| Engine (260) | John Deere 3029T, 2.9L 3-cyl, 51.5 kW (69 hp) @ 2400 rpm | |
| 270 | ||
| Engine (270) | John Deere 4045D, 4.5L 4-cyl, 57.5 kW (77 hp) @ 2400 rpm | |
| 260 / 270 | ||
| Rated operating capacity | 998 kg (2200 lb) / 1180 kg (2600 lb) | |
| Operating weight | 3787 kg (8350 lb) / 3890 kg (8575 lb) | |
| 260 and 270 | ||
| Hydrostatic system relief | 34 474 kPa (5000 psi) | |
| Hydraulic system relief | 21 374 +/- 1034 kPa (3100 +/- 150 psi) | |
| Boom circuit relief | 23 442 kPa (3400 psi) | |
| Charge pressure (single / 2-speed) | 200-225 psi / 300-340 psi | |
| Standard pump flow | 64.3-71.8 L/min (17-19 gpm) | |
| High-flow option | 107.5-121.5 L/min (28.4-32.1 gpm) | |
| Bucket breakout force | 3039 kg (6700 lb) | |
| Max ground speed (single / 2-speed) | 10.6 km/h (6.6 mph) / 19.3 km/h (12.0 mph) | |
| Fuel tank | 75.7 L (20.0 gal) | |
| Hydraulic system capacity | 34.1 L (9 gal) | |
| Standard tires | 14 x 17.5 | |
John Deere 260, 270 Common Problems This Manual Covers
Park brake will not disengage, overheats, or drags on one side
Start with the park-brake adjustment and the neutral setting before condemning parts. The manual gives the brake operation, the correct adjustment procedure, and the wear limits so you can confirm whether a simple adjustment clears the drag or whether the brake pack needs to come apart. Checking it in order keeps you from replacing a good brake assembly.
Manual Section: BrakesInstrument cluster blank, flickering, or dropping out
Cluster faults on these machines are usually power, ground, or connector related rather than a dead display. Use the electrical section to check the 12-volt supply, the charging system, and the cluster harness connections first, then test the cluster itself. The wiring and test points in the manual let you isolate the fault instead of guessing at a new panel.
Manual Section: ElectricalLoss of drive power or sluggish hydrostatic response
Verify charge pressure (200-225 psi single speed, 300-340 psi 2-speed) and hydrostatic relief at 5000 psi against the figures in the specifications before opening the drive. Low charge pressure points at the charge pump or filter, while correct charge with weak drive points deeper into the pump or motor. The diagnostic sequence keeps the work targeted.
Manual Section: Power Train (Hydrostatic)Drive sprocket splines wearing or stripping
Spline wear shows up as backlash or a loss of drive on one side. Inspect the sprocket and shaft splines against the service limits, and confirm the chain case is filled to the correct capacity for the machine serial number, since the early and late builds use different volumes. Running the case low accelerates spline and chain wear.
Manual Section: Power Train (Chain Case and Axles)Frequently Asked Questions
What are the hydrostatic and hydraulic relief pressures for the John Deere 260 and 270?
Hydrostatic system relief is 34 474 kPa (5000 psi), main hydraulic system relief is 21 374 +/- 1034 kPa (3100 +/- 150 psi), and the boom circuit relief is 23 442 kPa (3400 psi). Charge circuit pressure is 200-225 psi single speed and 300-340 psi on 2-speed machines. All of these are in the Specifications section.
Why does one side drag or overheat on a 260 or 270 skid steer?
Brake drag on one side is usually a park-brake adjustment or internal wear issue. The manual walks the brake operation, the neutral adjustment, and the inspection steps so you can tell an adjustment fix from a brake rebuild before you tear into it.
What engines do the John Deere 260 and 270 use?
The 260 uses a 2.9L three-cylinder John Deere 3029T rated at 69 hp, and the 270 uses a 4.5L four-cylinder 4045D rated at 77 hp, both at 2400 rated rpm. Idle and fast-idle settings differ by model and are listed in the engine specifications.
Does the 260 or 270 have a high-flow hydraulic option?
Yes. Standard pump flow is 64.3-71.8 L/min (17-19 gpm), and the high-flow option raises it to 107.5-121.5 L/min (28.4-32.1 gpm). The exact value depends on whether the machine has the 26000 or 27000 series pump, which the manual identifies.
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