- Maximum Height To Dipper Nose Pivot Pin: 16.31 ft / 4970 mm
- Minimum Front Swing Radius (No Offset): 8.67 ft / 2641 mm
- Maximum Digging Depth – Dozer Down: 12.61 ft / 3843 mm
- Maximum Digging Depth – Dozer Up: 11.84 ft / 3606 mm
Published dimensions and weight
JCB 55Z-1
The JCB 55Z-1 is a mini excavator of about 5.4 t, powered by a 14.5 hp engine.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale

01Dimensions referenceLength × width × height
02Operating Weight11830.1 lb5366 kg
03Selected published values57
Mini excavators are commonly used for digging and utility work where access or working space is limited. Published rows for JCB 55Z-1 include published operating weight of 11830.1 lb / 5366 kg, published engine power of 35.7 hp / 26.7 kw, the published “Maximum Height To Dipper Nose Pivot Pin” field of 16.31 ft / 4970 mm. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Maximum Height To Dipper Nose Pivot Pin” field (16.31 ft / 4970 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Minimum Front Swing Radius (No Offset)” field (8.67 ft / 2641 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Maximum Digging Depth – Dozer Down” field (12.61 ft / 3843 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Boom/Stick Option (Hex) 1
Maximum Height To Dipper Nose Pivot Pin16.31 ft4970 mm
Minimum Front Swing Radius (No Offset)8.67 ft2641 mm
Maximum Digging Depth – Dozer Down12.61 ft3843 mm
Maximum Digging Depth – Dozer Up11.84 ft3606 mm
Maximum Vertical Wallcut Depth6.74 ft2052 mm
Max Digging Height18.6 ft5667 mm
Max Digging Reach20.08 ft6119 mm
Max Digging Reach On Ground19.67 ft5995 mm
Max.Dumping Height14.03 ft4274 mm
Dimensions
Ground Clearance0.99 ft300 mm
Tail Swing Radius3.29 ft1000 mm
Track Gauge5.09 ft1550 mm
Width Over Tracks3.22 ft980 mm
Cab Length341.05 gal1291 L
Cab Width40.16 in1020 mm
Height Over Cab8.37 ft2551 mm
Overall Width Of Superstructure6.06 ft1845 mm
Transport Length217.25 in5518 mm
Undercarriage Overall Length8.17 ft2490 mm
Cab Height2551 mm2551 mm
Undercarriage
Number Of Bottom Rollers Per Side44
Track TensionGreaseGrease
Tractive Effort80.47 lb36.5 kg
Engine
FuelDieselDiesel
Engine ModelStage 3A 404D-22Stage 3A 404D-22
Gross Power35.7 hp26.7 kw
Cooling SystemWater cooledWater cooled
Net Power14.5 hp10.8 kw
Displacement132970.8 cu in2179 L
Gross Torque105.5 lb ft143 Nm
Alternator85 amps85 amps
Capacities
Fuel Tank20.1 gal76 L
Hydraulic Tank14.6 gal55 L
Hydraulic System26.5 gal100 L
Engine Oil2.5 gal9.1 L
Engine Coolant3.2 gal12 L
Operational
Operating Weight11830.1 lb5366 kg
Operational Voltage12 V12 V
Performance
Travel Speed Low1.9 mph3 km/h
Travel Speed - High2.9 mph4.6 km/h
Weights
Shipping11543.5 lb5236 kg
Blade
Approach Angle31 degrees31 degrees
Maximum Height1.5 ft433 mm
Dig Depth (Below Ground)1.6 ft464 mm
Blade Height15.8 in400 mm
Width6.5 ft1962 mm
Hydraulic System
Nominal Output33.3 gal/min126 L/min
Slew Main Relief216 bar216 bar
Excavator/Track Main Relief265 bar265 bar
Auxiliary Hydraulic Flow23.8 gal/min90 L/min
Boom
Boom Swing Left75 degrees75 degrees
Boom Swing Right55 degrees55 degrees
Bucket Rotation201 degrees201 degrees
Dipper Rotation126 degrees126 degrees
Bucket Tearout3507.1 lb15.6 kN
Dipper Tearout1978.4 lb8.8 kN
Slew Speed7.9 rpm7.9 rpm
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Manufacturer-published specifications.