JCB 55Z-1


Approach angle31 °
Blade Height15.80 in (40 cm)
Dig depth (below ground)1.60 ft (0 m)
Maximum height1.50 ft (0 m)
Width6.50 ft (2 m)


Boom swing left75 °
Boom swing right55 °
Bucket rotation201 °
Bucket tearout3,507.10 lbs (1,591 kg)
Dipper rotation126 °
Dipper tearout1,978.40 lbs (897 kg)
Slew speed7.90 rpm

Boom/Stick Excavator Option 1

Max Digging Height18.60 ft (6 m)
Max Digging Reach20.10 in (51 cm)
Max Digging Reach on Ground19.70 ft (6 m)
Max.Dumping Height14.10 ft (4 m)
Maximum digging depth - dozer down12.70 ft (4 m)
Maximum digging depth - dozer up11.90 ft (4 m)
Maximum height to dipper nose pivot pin16.40 ft (5 m)
Maximum vertical wallcut depth6.80 ft (2 m)
Minimum front swing radius (no offset)8.70 ft (3 m)


Engine coolant3.20 gal (12 l)
Engine Oil2.50 gal (9 l)
Fuel Tank20.10 gal (76 l)
Hydraulic system26.50 gal (100 l)
Hydraulic Tank14.60 gal (55 l)


Cab height2,551 mm (100 in)
Cab length341.10 gal (1,291 l)
Cab width40.20 in (102 cm)
Ground Clearance1 ft (0 m)
Height - Top of Cab8.40 ft (3 m)
Overall width of superstructure6.10 ft (2 m)
Tail Swing Radius3.30 ft (1 m)
Track Gauge5.10 ft (2 m)
Transport length217.30 in (552 cm)
Undercarriage Overall Length8.20 ft (3 m)
Width Over Tracks3.30 ft (1 m)


Alternator85 A
Cooling systemWater cooled
Displacement132,970.80 cu in (2 m)
Engine ModelStage 3A 404D-22
Gross Power35.70 hp (27 kw)
Net Power14.50 hp (11 kw)

Hydraulic System

Auxiliary hydraulic flow23.80 gal/min (90 l/min)
Excavator/track main relief265
Nominal output33.30 gal/min (126 l/min)
Slew main relief216

Operating Specifications

Operating Weight11,830.10 lbs (5,366 kg)
Operational Voltage12


Travel speed low1.90 mph (3 kph)
Travel Speed - High2.90 mph (5 kph)


Number of bottom rollers per side4
Track tensionGrease
Tractive Effort80.50 lbs (37 kg)


Shipping11,543.50 lbs (5,236 kg)

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