John Deere 120 Excavator Specs, Price, Weight, Overview,dig dept, Attachments, Horsepower & Review
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John Deere 120 Excavator Overview
It has powerful power and smoothness and comfort similar to more powerful John Deere excavators, the 120D surpasses all expectations. With powerful digging forces and a remarkable lift capacity as well as reach and swinging torque.
It performs similarly to large machines. It functions like them as well, with a large comfortable cabin that has ample legroom as well as unbeatable visibility.
John Deere 120 Excavator Price New
Price: USD $51,500
John Deere 120 Excavator Weight
Operating Weight: 26790 lbs (12,152 kg)
John Deere 120 Excavator dig depth
Maximum digging depth of :17 ft. 10 in. (5.445 m)
John Deere 120 Excavator Horsepower
John has a 120 diesel engine that produces: 90 hp (67 kw)
John Deere 120 Excavator Engine oil capacity
Engine Oil Capacity, 3.5 gal (11 l)
John Deere 120 Excavator Specifications
Engine
| Bore | 4.1 in (10 cm) |
| Emissions | U.S. EPA Tier 4 Final/EU Stage IV – U.S. EPA Tier 3/EU Stage IIIA |
| Aspiration | Turbocharged |
| Displacement | 427.8 cu in (0 m) |
| Engine Model | Cat 7.1 |
| Max Torque | 260 lbs/ft |
| Power Measured @ | 2200 rpm |
| Torque Measured @ | 1400 rpm |
| Net Power | 90 hp (67 kw) |
| Stroke | 5.3 in (13 cm) |
Dimensions
| Height – Top of Cab | 9 ft (3 m) |
| Removal Counterweight Clearance | 3 ft (1 m) |
| Width to Outside of Tracks | 8.5 ft (2 m) |
| Ground Clearance | 1.3 ft (0 m) |
| Length of Track on Ground | 9.5 ft (3 m) |
| Tail Swing Radius | 6.9 ft (2 m) |
Bucket
| Reference Bucket Capacity | 1.1 cu yds (1 m) |
Boom/Stick Excavator Option 1
| Max Digging Depth | 17.9 ft (5 m) |
| Max Reach Along Ground | 26.4 ft (8 m) |
| Shipping Height of Unit | 8.8 ft (2 m) |
| Max Cutting Height | 27.7 ft (8 m) |
| Max Loading Height | 20.6 ft (6 m) |
| Max Vertical Wall Digging Depth | 16 ft (5 m) |
| Shipping Length of Unit | 24.9 ft (7 m) |
Boom/Stick Excavator Option 2
| Max Digging Depth | 19.5 ft (6 m) |
| Max Reach Along Ground | 27.1 ft (8 m) |
| Shipping Height of Unit | 8.8 ft (2 m) |
| Max Cutting Height | 28.8 ft (9 m) |
| Max Loading Height | 21.7 ft (6 m) |
| Max Vertical Wall Digging Depth | 17.6 ft (5 m) |
| Shipping Length of Unit | 25 ft (8 m) |
Operating Specifications
| Cooling System Fluid Capacity | 5.9 gal (19 l) |
| Fuel Capacity | 66 gal (250 l) |
| Hydraulic System Fluid Capacity | 35 gal (132 l) |
| Operating Voltage | 24 V |
| Swing Drive Fluid Capacity | 0.8 gal (0 l) |
| Alternator Supplied Amperage | 45 A |
| Engine Oil Capacity | 3.5 gal (11 l) |
| Hydraulic Pump Flow Capacity | 26.7 gal/min (98 l/min) |
| Hydraulic System Relief Valve Pressure | 4980 psi |
| Operating Weight | 26790 lbs (12,152 kg) |
Service Refill Capacities
| Fuel Tank | 65 gal (246 l) |
| Cooling System | 14 gal (53 l) |
Swing Mechanism
| Swing Speed | 12.7 rpm |
Undercarriage
| Ground Pressure | 4.6 psi |
| Number of Carrier Rollers per Side | 1 |
| Number of Track Rollers per Side | 7 |
| Track Gauge | 6.6 ft (2 m) |
| Drawbar Pull | 22050 lbs (10,002 kg) |
| Max Travel Speed | 3.4 mph (5 kph) |
| Number of Shoes per Side | 44 |
| Shoe Size | 23.7 in (58 cm) |
John Deere 120 Excavator Review
John Deere 120 Problems and Solutions
Engine performance problem
The majority of excavators are liquid-cooled. A radiator and a fan are required to cool the engine. To cool the engine, the fan must pull cool air through a radiator.
An electric motor controls the cooling fan. The engine can overheat and stop working if one of these components fails.
You may have the fan motor stuck on or off. Both can cause coolant loss and engine overheating. Caterpillar machines use a thermistor to control when the fan turns on or off.
Relay controls cooling fan motor excitation voltage. If either fails, your machine may overheat.
Engine runs rough or low power
A faulty fuel injection pump can cause the john deere 120 excavator to run rough or have low power. It is necessary to remove the pump and rebuild it.
Some pumps have a pin stuck in the rack housing. The pin can be easily removed so that the pump functions properly.
Another possible cause is the governor. The idle cam of the governor can wear, which can cause the engine to run rough at idle.
Worn parts make injection timing harder. Engine performance will suffer. Replace this ASAP.
Hydraulic System problems
After a long period of service, seals and O rings on parts can wear and leak oil or hydraulic fluid. This could lead to reduced working pressure and even failure. The accumulator pressure has dropped to a low level.
The gas could be released, damaged, or evaporated from long-term usage. First, check if the accumulator seal is damaged and if there is oil leakage at the joint of the cylinder head. If none of the above is present, it’s time to replace it with an oil-gas separator.
John Deere 120 Excavator Attachments
Our various excavator attachments include the following:
- Augers & Auger Bits
- Backhoe Buckets
- Backhoe Rippers
- Blades
- Bobcat X-Change Buckets & Attachments
- Booms / Sticks
- Brush Cutters / Mowers
- Brush Rakes
- Crawler / Dozer Rippers & Shanks
- Hydraulic Hammers/Breakers
- Hydraulic Vibratory Plate Compactors
- Loader Buckets
- Loader Quick Changes & Adapters
Conclusion
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John Deere 120 Excavator – FAQs
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