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SPECS / COMPARISON

Caterpillar 311D LRR vs Caterpillar 312B L

A detailed comparison of the Caterpillar 311D LRR and the Caterpillar 312B L. Click a model name to view its full specifications.

Horsepower
Caterpillar 311D LRR60 kW (80 HP)
Caterpillar 312B L63 kW (84 HP)
Weight
Caterpillar 311D LRR12474 kg (27500 lbs)
Caterpillar 312B L12705 kg (28010 lbs)
Operating Weight
Caterpillar 311D LRR12474 kg (27500 lbs)
Caterpillar 312B L12705 kg (28010 lbs)
SpecificationCaterpillar 311D LRRCaterpillar 311D LRRMid-Size ExcavatorsCaterpillar 312B LCaterpillar 312B LMid-Size Excavators
Excavator TypeMid-Size ExcavatorMid-Size Excavator
Weight12474 kg (27500 lbs)12705 kg (28010 lbs)
Horsepower60 kW (80 HP)63 kW (84 HP)
Digging Depth506 cm (199 in.)515 cm (203 in.)
Max Digging Depth506 cm (199 in.)515 cm (203 in.)
Max Loading Height545.6 cm (214.8 in.)588.3 cm (231.6 in.)
Max Reach Along Ground810.8 cm (319.2 in.)780.3 cm (307.2 in.)
Max Vertical Wall Digging Depth448.1 cm (176.4 in.)445.0 cm (175.2 in.)
Overall Length691.9 cm (272.4 in.)762.0 cm (300.0 in.)
Track Length3352.8 cm (1320.0 in.)3657.6 cm (1440.0 in.)
Length of Track on Ground280.4 cm (110.4 in.)304.8 cm (120.0 in.)
Reference Bucket Capacity0.5 m2 (0.6 cu yds)0.5 m2 (0.6 cu yds)
Max Bucket Capacity0.8 m2 (1.0 cu yds)0.8 m2 (1.1 cu yds)
Min Bucket Capacity0.3 m2 (0.4 cu yds)0.4 m2 (0.5 cu yds)
Ground Clearance45.7 cm (18.0 in.)45.7 cm (18.0 in.)
Tail Swing Radius176.8 cm (69.6 in.)213.4 cm (84.0 in.)
Overall Width259.1 cm (102.0 in.)249.9 cm (98.4 in.)
Engine MakeCaterpillarCaterpillar
Engine ModelC4.2 ACERT3064 T Diesel Engine
Net Power60 kW (80 HP)63 kW (84 HP)
Gross Power64 kw (86 hp)68 kw (91 hp)
Hydraulic Pump Flow Capacity117 LPM (31 GPM)238 LPM (63.5 GPM)
Hydraulic System Capacity145.4 l (38.4 gal)162.0 l (42.8 gal)
Relief Valve Pressure350 Bar (5077 psi)343 Bar (4980 psi)
Operating Weight12474 kg (27500 lbs)12705 kg (28010 lbs)
Max Travel Speed5.1 km (3.2 mph)5.6 km (3.5 mph)
Swing Speed11.4 RPM12 RPM
Cab Height277.4 cm (109.2 in.)277.4 cm (109.2 in.)
Cooling Capacity18.2 l (4.8 gal)15.5 l (4.1 gal)
Fuel Capacity210.1 l (55.5 gal)250.2 l (66.1 gal)
Swing Drive Capacity3.0 l (0.8 gal)3.0 l (0.8 gal)
Engine Oil Capacity19.3 l (5.1 gal)13.2 l (3.5 gal)
Ground Pressure34.5 kPa (5.0 psi)38.6 kPa (5.6 psi)
Stroke13.0 cm (5.1 in)13.2 cm (5.2 in)
Bore10.2 cm (4.0 in)10.4 cm (4.1 in)
Displacement4244.2 cc (259 cu. in.)4244.2 cc (259 cu. in.)
Shoe Size60.2 cm (23.7 in.)50.0 cm (19.7 in.)
Max Cutting Height780.3 cm (307.2 in.)826.0 cm (325.2 in.)
Track Gauge201.2 cm (79.2 in.)201.2 cm (79.2 in.)
Removal Counterweight Clearance91.4 cm (36.0 in.)94.5 cm (37.2 in.)
Drawbar Pull11.612 kg (25600 lbs)10.401 kg (22930 lbs)
Rated Power—1900 RPM
Aspiration—Turbocharged
Operating Voltage—Operating Voltage 24 V
Alternator—50 A

Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.

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