Caterpillarexcavator
Caterpillar E70B
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar E70B is a midi-class excavator engineered for utility, landscaping, and urban construction. Part of the Caterpillar E-Series lineup, this machine typically operates within a 7 to 8 metric ton (15,432–17,637 lb) weight range. It features a Caterpillar 3114 or 4D32 engine configuration depending on specific serial range and regional emissions packages. The E70B is designed for high maneuverability in confined spaces, offering versatile digging depths and reach capabilities suitable for trenching and site preparation.
Across its production life, the E70B maintained a reputation for durability through its robust hydraulic system and ergonomic operator cabin. In today's used equipment market, the E70B remains a high-value asset due to its availability of aftermarket attachments like thumbs and its compatibility with various bucket capacities. Its presence in the secondary market is driven by the demand for reliable, mid-sized machines that can handle light to medium-duty excavation without the extreme transport costs associated with larger crawler excavators.
Below: full specifications, fluids & capacities, the factory service schedule, common service parts, verified fault codes, what owners discuss, attachment guidance, the complete assembly directory, and a serial-number reference. Complete parts lists with full OEM part numbers, exploded diagrams, quantities, and fitment data are available free in Heavy Parts AI.
Caterpillar E70B specifications
Engine
| Model | 4D32 (Mitsubishi) |
| Net Power | 40.3 kW (54 hp) |
| Displacement | 3.571 L (218 cu in) to 3.6 L |
| Cylinders | 4 |
Weights
| Operating Weight | 6,920 kg (15,256 lb) to 7,250 kg |
| Ground Pressure | 32.4 kPa (4.7 psi) |
Dimensions
| Transport Length | 20 ft (6.1 m) |
| Transport Width | 2.26 m (7.42 ft) to 2.38 m (7 ft 7 in) |
| Transport Height | 2.57 m (8.44 ft) to 2.57 m (8 ft 5 in) |
| Tail Swing Radius | 1.75 m (5.75 ft) to 1.75 m (6 ft) |
| Track Shoe Width | 450 mm (17.72 in) to 45 cm (18 in) |
| Ground Clearance | 300 mm (0.99 ft) to 300 mm (1 ft) |
| Undercarriage Length | 2 m (6.57 ft) to 2 m (6.57 ft) |
Performance
| Max Dig Depth | 3.78 m (12.41 ft) to 4.595 m (15.08 ft) varies by configuration |
| Max Reach at Ground | 5.93 m (19.46 ft) to 6.72 m (22.05 ft) varies by configuration |
| Max Dump Height | 4.46 m (14.64 ft) to 4.96 m (16.28 ft) varies by configuration |
| Max Cutting Height | 6.505 m (21.35 ft) to 7.025 m (23.05 ft) varies by configuration |
| Swing Speed | 13.5 rpm |
| Travel Speed | 4.1 km/h (2.55 mph) to 4 km/h (4 kph) |
| Drawbar Pull | 4,600 kg (10,141 lb) |
Forces
| Bucket Digging Force | 45.1 kN (Hook traction force) |
Service capacities (summary)
| Fuel Tank | 110 L (29.1 gal) |
| Hydraulic System/Tank | 105 L (27.8 gal) to 105 L (28 gal) |
| Engine Oil | 9 L (2.4 gal) |
| Cooling System | 16 L (4.3 gal) to 16 L (4 gal) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
E70B fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | 9 L (2.4 gal) | Cat DEO; use Cat DEO-ULS for Tier 4 engines with aftertreatment; SAE 10W-30 preferred if ambient temperature is between -18°C (0°F) and 40°C (104°F). Use higher viscosity for extreme cold or heat as required by operating environment; use Cat DEO-ULS SYN for extreme temperatures (-40°C to 50°C). |
| Cooling system | 16 L (4 gal) | Not specified |
| Fuel tank | 110 L (29 gal) | Not specified |
| Hydraulic system total AND hydraulic tank | 105 L (28 gal) | Cat HYDO Advanced; use Cat HYDO Advanced 10 (SAE 10W) for cold to moderate temperatures and Cat HYDO Advanced 30 (SAE 30W) for moderate to hot temperatures. |
| Swing drive | 4 L (1 gal) | Cat TDTO; use Cat TDTO Cold Weather for operations below -25°C. |
| Grease |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar E70B maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the E70B beyond the schedule
Predictive Maintenance & Fluid Analysis
Utilize Caterpillar S.O.S Services to monitor engine oil, hydraulic fluid, and coolant integrity. Regularly analyze samples for wear metals like iron or copper, and contaminants such as silicon (dirt) or sodium (coolant). For the E70B, monitoring hydraulic oil particle counts is critical to prevent pump and valve damage. Ensure all top-offs use approved Cat HYDO Advanced or DEO fluids to avoid chemical sludge from cross-contamination.
Corrective & Common Repairs
Watch for signs of engine oil entering the coolant, which often indicates a failed engine oil cooler. Inspect hydraulic hoses frequently for abrasion or leaks that can lead to cavitation and pump failure. If the E70B exhibits abnormal noise or smoke, check the turbocharger and air intake system immediately. Ensure all pins and bushings are lubricated to prevent excessive play in the boom and bucket attachments.
Overhaul & Rebuild Points
During major service intervals, perform a comprehensive structural inspection of boom and stick welds. Evaluate the condition of the final drive and swing drive gears for wear. When rebuilding, focus on the hydraulic system's relief valve pressure settings and the integrity of the H-shaped carbody. Replacing worn undercarriage components like track rollers or shoes is essential to prevent secondary damage to sprockets.
Seasonal & Environment Servicing
In dusty or quarry environments, shorten air filter inspection intervals and clean radiator fins daily to prevent overheating. For machines operating in extreme cold, verify fuel quality and battery condition before use. In high-moisture or saltwater areas, pay closer attention to undercarriage corrosion and hydraulic seal integrity. Always adjust maintenance schedules based on actual duty cycles and environmental exposure levels.
E70B common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 096-9013 | Gasket, Fuel Filter | Fuel system service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
E70B fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| E360 | Engine Coolant Temperature — High | Low coolant level, failed thermostat, or water pump issue | Diagnose cooling system; do not operate until resolved |
| E361 | Engine Coolant Temperature — Very High (Shutdown) | Severe cooling system failure | Engine shutdown required; perform full cooling system diagnosis |
| 110-0 | Engine Coolant Temp — Above Normal | Low coolant level or thermostat failure | Inspect cooling system, refill coolant, and test thermostat |
| 110-3 | Engine Coolant Temp Sensor — Voltage High | Open circuit or sensor failure | Check wiring and replace sensor if confirmed faulty |
| 174-3 | Engine Fuel Temperature — Voltage Above Normal | Open circuit in sensor wiring | Inspect harness and replace sensor if necessary |
| 190-8 | Engine Speed — Abnormal Frequency | Speed sensor air gap, sensor failure, or tone ring damage | Check sensor gap and test speed sensor and tone ring |
| 2458-2 | DPF #1 Differential Pressure — Erratic | Plugged pressure ports or failing sensor | Clean pressure ports and test sensor; verify DPF soot load |
| 41-3 | 8-Volt DC Supply — Voltage Above Normal | Short to power on 8V reference circuit | Inspect sensors sharing the 8V supply and isolate fault |
| 41-4 | 8-Volt DC Supply — Voltage Below Normal | Short to ground on 8V reference circuit | Disconnect sensors one at a/time to locate short |
| 2348-9 | SAE J1939 Data Link #2 — Abnormal Update Rate | CAN bus wiring damage or termination fault | Check CAN wiring and measure termination resistance |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
E70B attachments & work tools
Buckets
Capacity ranges from 0.18 m³ (0.23 yd³) to 0.53 m³ (0.7 yd³), varies by configuration/series. Available in widths such as 18 in (45 cm), 36 in (91 cm), and 48 in (122 cm). Options include digging, ditching, and cleanout types, available via pin-on or coupler attachment.
Hydraulic hammers
Compatible with hammer classes suitable for machines in the 7 to 9 ton range. Specific breaker weight class not documented for this exact serial range — verify with your dealer.
Quick couplers
Manual multi-grab coupler available for 7 to 9 ton machines featuring a 45 mm pin size.
Thumbs/grapples
Available in mechanical, basic hydraulic, and fully hydraulic configurations. A 36 in (91 cm) size is specifically suggested for this model.
Rippers
Severe duty rock rippers and frost picks are available with an 18 in (45 cm) length. Sabre tooth stump and root rippers are available with a 30 in (76 cm) length.
Hydraulic-kit notes
Machine features a variable flow hydraulic system with power and work mode selectors. System relief valve pressure is rated at 31378 kPa (4551 psi).
All E70B assemblies by section
Every catalogued assembly group for the Caterpillar E70B. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Engine
Alternator (For 50amp Alternator (557151-767795)
Alternator (557151-767795)
Alternator And Regulator (767796-)
Alternator And Regulator (For Working Light) (767796-)
Alternator General (For 50amp Alternator) (557151-767795)
Alternator General (557151-767795)
Attaching Parts (767796-)
Breather And Oil Filler (557151-767795)
Camshaft (557151-767795)
Camshaft And Valve (767796-)
Connecting Rod And Bearing (557151-767795)
Crankshaft And Pulley (557151-767795)
Crankshaft Bearing (557151-767795)
Cylinder Block - Part 2 Of 2 (557151-767795)
Cylinder Block - Part 1 Of 2 (557151-767795)
Cylinder Block (767796-)
Cylinder Block Repair Kit (557151-767795)
Cylinder Head (767796-)
Cylinder Head (557151-767795)
Cylinder Head Repair Kit (557151-767795)
Engine Attaching Parts (557151-767795)
Engine Gasket Kit (557151-767795)
| 08***55 | Gasket, Re. Plate | 1 |
| 08***56 | Gasket, Inlet Manifold | 4 |
| 08***57 | Gasket, Oil Pump | 1 |
Engine Hanger (557151-767795)
Engine Oilseal Kit (557151-767795)
Exhaust Manifold (557151-767795)
Exhaust Manifold (767796-)
Exhaust Pipe (557151-767795)
Fan And Pulley (557151-767795)
Flywheel (557151-767795)
Flywheel And Housing (767796-)
Flywheel Housing (557151-767795)
Fuel Feed Pump (557151-767795)
Fuel Speed Pump (767796-)
Fuel Filter (557151-767795)
Fuel Filter And Hose (767796-)
Fuel Hose (557151-767795)
Fuel Injection Nozzle (557151-767795) - Part 2 Of 2
Fuel Injection Nozzle (557151-767795) - Part 1 Of 2
Fuel Injection Pipe (557151-767795)
Fuel Injection Pump General (767796-) - Part 2 Of 2
Fuel Injection Pump General (557151-767795) - Part 1 Of 2
Fuel Injection Pump General (557151-767795) - Part 2 Of 2
Fuel Injection Pump General (767796-) - Part 1 Of 2
Fuel Return Hose (767796-)
Fuel Return System (557151-767795)
Fuse And Relay Box (767796-)
Governor (557151-767795) - Part 3 Of 4
Governor (767796-) - Part 1 Of 2
Governor (767796-) - Part 2 Of 2
Governor (557151-767795) - Part 1 Of 4
Governor (557151-767795) - Part 2 Of 4
Governor (557151-767795) - Part 4 Of 4
Injection Pipe And Nozzle (767796-) - Part 1 Of 2
Injection Pipe And Nozzle (767796-) - Part 2 Of 2
Injection Pump (557151-767795) - Part 1 Of 2
Injection Pump (557151-767795) - Part 2 Of 2
Injection Pump (767796-) - Part 2 Of 2
Injection Pump (767796-) - Part 1 Of 2
Inlet Manifold (767796-)
Inlet Manifold (557151-767795)
Instrument (557151-767795)
Liner And Piston Kit (557151-767795)
Muffler And Exhaust Pipe (767796-)
Name Plate (557151-767795)
Oil Cooler (557151-767795) - Part 1 Of 2
Oil Cooler (767796-)
Oil Cooler (557151-767795) - Part 2 Of 2
Oil Filler And Oil Level Gauge (557151-767795)
Oil Filter (767796-)
Oil Filter (557151-767795)
Oil Line (557151-767795)
Oil Line (767796-)
Oil Pan (557151-767795)
Oil Pan, Filler And Gauge (767796-)
Oil Pressure Switch And Gauge Unit (557151-767795)
Oil Pump And Gear Train (557151-767795)
Oil Pump And Strainer (767796-)
Oil Strainer (557151-767795)
Piston (557151-767795)
Piston, Connecting Rod And Crankshaft (767796-)
Plate And Label (767796-)
Rocker Cover (557151-767795)
Rocker Cover And Breather (767796-)
Service Repair Kit (767796-)
Starter (For Cold Weather Starting Kit) (557151-767795) - Part 2 Of 2
Starter (557151-767795) - Part 1 Of 2
Starter (557151-767795) - Part 2 Of 2
Starter (For Cold Weather Starting Kit) (557151-767795) - Part 1 Of 2
Starter (For Cold Weather Starting Kit) (767796-)
Starter (767796-)
Starter General (For Cold Weather Starting Kit) (557151-767795)
Starter General (557151-767795)
Timing Gear (557151-767795)
Timing Gear (767796-)
Timing Gear Case (557151-767795)
Valve Gear Train (557151-767795) - Part 1 Of 2
Valve Gear Train (557151-767795) - Part 2 Of 2
Water Pipe And Thermostat (767796-)
Water Pipe And Thermostat (557151-767795)
Water Pump (557151-767795)
Water Pump And Fan (767796-)
Water Temperature Gauge Unit (557151-767795)
Excavator
Adjuster Cylinder (French) (5tg00206-)
Adjuster Cylinder (Spanish) (5tg00206-)
Adjuster Cylinder (Spanish) (5tg1-00205)
Adjuster Cylinder (French) (5tg1-00205)
Adjuster Cylinder (German) (5tg00206-)
Adjuster Cylinder (German) (5tg1-00205)
Adjuster Cylinder (English) (5tg00206-)
Adjuster Cylinder (English) (5tg1-00205)
Adjuster Cylinder (Italian) (5tg1-00205)
Adjuster Cylinder (Italian) (5tg00206-)
Air Cleaner
Air Conditioner - Part 1 Of 4
Air Conditioner - Part 4 Of 4
Air Conditioner - Part 2 Of 4
Air Conditioner - Part 3 Of 4
Air Conditioner Condenser
Air Conditioner Lines - Part 2 Of 3
Air Conditioner Lines (For 50 Amp Alternator)
Air Conditioner Lines - Part 3 Of 3
Air Conditioner Lines - Part 1 Of 3
Air Conditioner Receiver
Backhoe Bucket-0.34 Cubic Meter (1/2 Cubic Yard) - Part 2 Of 2
Backhoe Bucket-0.28 Cubic Meter (3/8 Cubic Yard) - Part 1 Of 2
Backhoe Bucket-0.14 Cubic Meter (1/8 Cubic Yard) - Part 2 Of 2
Backhoe Bucket-0.28 Cubic Meter (3/8 Cubic Yard) - Part 2 Of 2
Backhoe Bucket -0.34 Cubic Meter (1/2 Cubic Yard) - Part 1 Of 2
Backhoe Bucket-0.18 Cubic Meter (1/4 Cubic Yard) - Part 2 Of 2
Backhoe Bucket-0.14 Cubic Meter (1/8 Cubic Yard) - Part 1 Of 2
Backhoe Bucket-0.18 Cubic Meter (1/4 Cubic Yard) - Part 1 Of 2
Bank Forming Bucket
Base Frame (For Hydraulic Blade)
Base Frame
Battery Box
Blade
Blade Cylinder--Part 2 Of 2
Blade Cylinder--Part 1 Of 2
Boom Cylinder (For Boom Lowering Check Valves)
Boom Cylinder - Part 2 Of 2
Boom Cylinder (For Boom Lowering Check Valves) - Part 1 Of 2
Boom Cylinder (For Power Offset Boom) - Part 2 Of 2
Boom Cylinder (For Boom Drift Reduction Valve) - Part 1 Of 3
Boom Cylinder - Part 1 Of 2
Boom Cylinder (For Boom Drift Reduction Valve) - Part 3 Of 3
Boom Cylinder (For Power Offset Boom) - Part 1 Of 2
Boom Cylinder (For Boom Lowering Check Valves) - Part 2 Of 2
Boom Cylinder (For Boom Drift Reduction Valve) - Part 2 Of 3
Boom Line
Boom Line Group (5tg-D91.07)
Boom Line Group (5tg D91.08-)
Boom Lines
Boom, Power Offset - Part 1 Of 4
Boom, Power Offset - Part 2 Of 4
Boom, Power Offset - Part 3 Of 4
Boom, Power Offset - Part 4 Of 4
Bucket Cylinder--Part 2 Of 2
Bucket Cylinder--Part 1 Of 2
Bucket Linkage - Part 2 Of 2
Bucket Linkage - Part 1 Of 2
Bucket With Ejector-0.15 Cubic Meter (1/4 Cubic Yard) - Part 1 Of 2
Bucket With Ejector-0.15 Cubic Meter (1/4 Cubic Yard) - Part 2 Of 2
Cab (Interior Parts) - Part 4 Of 5
Cab (Door And Window Frame) - Part 2c Of 5
Cab (Frame) - Part 1 Of 5
Cab (Window Washer) - Part 5 Of 5
Cab (Frame) - Part 1a Of 5
Cab (Door And Window Frame) - Part 2b Of 5
Cab (Frame) - Part 1c Of 5
Cab (Frame) - Part 1d Of 5
Cab (Door And Window Frame) - Part 2d Of 5
Cab (Frame) - Part 1b Of 5
Cab (Interior Parts) - Part 4a Of 5
Cab (Glass And Corner Rubber) - Part 3 Of 5
Cab (Door And Window Frame) - Part 2a Of 5
Cab (Door And Window Frame) - Part 2 Of 5
Carrier Roller
Control Valve
Control Valve (For Hydraulic Blade)
Control Valve (For 2 Pumps Flow Confluence Hyd. Line Group) (5tg D92.11-)
Control Valve (For 2 Pumps Flow Confluence Hyd. Line Group) (5tg-D92.10)
Controller - Part 2 Of 3
Controller - Part 3 Of 3
Controller - Part 1 Of 3
Controls (For Power Offset Boom) - Part 2 Of 2
Controls (For Hydraulic Blade) - Part 2 Of 2
Controls - Part 1 Of 2
Controls (For Hydraulic Blade) - Part 1 Of 2
Controls - Part 2 Of 2
Controls (For Power Offset Boom) - Part 1 Of 2
Cylinder Safety Valve (For Boom Lowering Check Valves) - Part 1 Of 2
Cylinder Safety Valve (For Boom Lowering Check Valves) - Part 2 Of 2
Defroster
Delivery Lines
Drain Lines
Electric Parts
Electric Parts (For Travel Alarm)
Engine - Part 2b Of 2
Engine (For High Ambient Cooling Package)
Engine - Part 2a Of 2
Engine - Part 2 Of 2
Engine
Engine (For Cold Weather Starting Kit)
Engine - Part 1 Of 2
Engine Control (5tg1-00234) - Part 3 Of 3
Engine Control (5tg00235-) - Part 3 Of 3
Engine Control (5tg1-00234) - Part 1 Of 3
Engine Control (5tg1-00234) - Part 2 Of 3
Engine Control (5tg00235-)
Engine Hood (For High Ambient Cooling Package) - Part 2 Of 2
Engine Hood - Part 3 Of 3
Engine Hood - Part 2 Of 3
Engine Hood (For High Ambient Cooling Package) - Part 1 Of 2
Engine Hood - Part 1 Of 3
Front Lines (For Boom Lowering Check Valves)
Front Lines (For Boom Drift Reduction Valve)
Front Lines (For Power Offset Boom)-Part 2 Of 2 (5tg D91.08-)
Front Lines (For Power Offset Boom)-Part 2 Of 2 (5tg-D91.07)
Front Lines (For Power Offset Boom)-Part 1 Of 2 (5tg D91.08-)
Front Lines (For Power Offset Boom)-Part 1 Of 2 (5tg-D91.07)
Front Lines (For One Piece Boom)
Front Lubrication Lines (For Power Offset Boom)
Front Lubrication Lines (For One Piece Boom)
Fuel Lines (For Water Separator)
Fuel Tank And Fuel Lines - Part 1 Of 2
Fuel Tank And Fuel Lines - Part 2 Of 2
Grease Bath
Handrail And Side Mirror
Headrest (For Suspension Seat) (5tg D90.10-)
Headrest (For Suspension Seat) (5tg-D90.09)
Heater (3000kcal/H) - Part 1 Of 3
Heater (3000kcal/H) - Part 2 Of 3
Heater (3000kcal/H) - Part 3 Of 3
Heater Dismount
Hydraulic Tank - Part 3 Of 3
Hydraulic Tank--Part 1 Of 3
Hydraulic Tank (For Cold Weather Starting Kit) - Part 3 Of 3
Hydraulic Tank (For Cold Weather Starting Kit) - Part 1 Of 3
Hydraulic Tank (For Cold Weather Starting Kit) - Part 2 Of 3
Hydraulic Tank--Part 2 Of 3
Idler Wheel
Inlet Section (For Hydraulic Blade)
Key
Leak Reduction Valve - Part 2 Of 2
Leak Reduction Valve - Part 1 Of 2
Light, Boom (For Power Offset Boom)
Light, Boom
Light, Boom Right
Light, Boom Right (For Power Offset Boom)
Long Stick-2210mm (7'3")
Long Stick Line Group
Lower Structure Cover
Main Relief Valve (For Hydraulic Blade)
Manifold - Part 1 Of 2
Manifold - Part 2 Of 2
Medium Stick-1720mm (5'7-3/4")
Medium Stick Line Group
One Piece Boom - Part 2 Of 2
One Piece Boom - Part 1 Of 2
One Piece Boom Support For Base Machine Hyd. Lines Group (Common)
One Piece Boom Support (For Boom Line Group)
Over Load Relief Valve
Over Load Relief Valve (For Hydraulic Blade)
Over Load Relief Valve (For Power Offset Boom)
Pilot Filter
Pin Grabber
Pump (For Hydraulic Blade) - Part 7 Of 7
Pump (For Hydraulic Blade) - Part 2 Of 7
Pump - Part 1 Of 6
Pump (For Hydraulic Blade) - Part 6 Of 7
Pump - Part 4 Of 6
Pump - Part 2 Of 6
Pump - Part 6 Of 6
Pump (For Hydraulic Blade) - Part 4 Of 7
Pump - Part 3 Of 6
Pump - Part 5 Of 6
Pump (For Hydraulic Blade) - Part 1 Of 7
Pump (For Hydraulic Blade) - Part 5 Of 7
Pump (For Hydraulic Blade) - Part 3 Of 7
Pump Drive
Pump Suction Lines
Radiator - Part 2 Of 2
Radiator (For Air Conditioner) - Part 2 Of 2
Radiator (For Air Conditioner) - Part 1 Of 2
Radiator - Part 1 Of 2
Radio Am/Fm
Radio Mantle
Reducing Valve - Part 1 Of 2
Reducing Valve - Part 2 Of 2
Relief Valve - Part 2 Of 2
Relief Valve - Part 1 Of 2
Relief Valve
Remote Control Valve - Part 1 Of 2
Remote Control Valve - Part 2 Of 2
Remote Control Valve (5tg1-00375) - Part 1 Of 2
Remote Control Valve (5tg00376-) - Part 1 Of 2
Remote Control Valve (5tg00376-) - Part 2 Of 2
Remote Control Valve (5tg1-00375) - Part 2 Of 2
Return Lines - Part 2 Of 2
Return Lines - Part 1 Of 2
Rotary Joint
Rotary Joint (For Hydraulic Blade)
Safety Lock Valve (5tg1-00328)
Safety Lock Valve (5tg00329-)
Seat And Floor Mat - Part 3 Of 3
Seat And Floor Mat - Part 1 Of 3
Seat And Floor Mat - Part 2 Of 3
Seat Belt
Seat Belt (For Suspension Seat) (5tg-D90.09)
Seat Belt (For Suspension Seat) (5tg D90.10-)
Servo And Pilot Lines-Part 1 Of 5
Servo And Pilot Lines
Servo And Pilot Lines-Part 3 Of 5
Servo And Pilot Lines-Part 5 Of 5
Servo And Pilot Lines (For Work Mode Choice)
Servo And Pilot Lines (For 2 Pumps Flow Confluence Hyd. Line Group)
Servo And Pilot Lines-Part 2a Of 5
Servo And Pilot Lines-Part 2 Of 5
Servo And Pilot Lines-Part 3a Of 5
Servo And Pilot Lines-Part 2b Of 5
Servo And Pilot Lines (For Boom Lowering Check Valves)
Servo And Pilot Lines-Part 4a Of 5
Servo And Pilot Lines (For Travel Alarm)
Servo And Pilot Lines-Part 4 Of 5
Servo And Pilot Lines (For Boom Drift Reduction Valve)
Servo And Pilot Lines - Part 5a Of 5
Shipping Plug
Shipping Plug (For Boom Drift Reduction Valve)
Shockless Valve
Short Stick-1390mm (4'6-3/4")
Short Stick Line Group
Shuttle Valve (For Travel Alarm)
Single Ripper Tooth
Slow Return Valve
Solenoid Valve (For Automatic Swing Brake)
Solenoid Valve (For Work Mode Choice)
Spool Section (For Hydraulic Blade)
Stick And Bucket Lines
Stick Cylinder - Part 1 Of 2
Stick Cylinder (For Power Offset Boom) - Part 1 Of 3
Stick Cylinder (For Power Offset Boom) - Part 2 Of 3
Stick Cylinder - Part 2 Of 2
Stick Cylinder (For Power Offset Boom) - Part 3 Of 3
Stick Support (For Medium Stick Line Group)
Stick Support (For Long Stick Line Group)
Stick Support (For Short Stick Line Group)
Stop Valve (For Short, Medium, Long Stick Line Group)
Suspension Seat (5tg D90.10-)
Suspension Seat (5tg-D90.09)
Swing Drive (5tg1-00535) - Part 2 Of 2
Swing Drive (For Swing Brake, W/Reverse Swing Damping Valve) (5tg00536-)
Swing Drive (5tg00536-)
Swing Drive (For Automatic Swing Brake) (5tg00536-)
Swing Drive (5tg1-00535) - Part 1 Of 2
Swing Drive (For Automatic Swing Brake) (5tg1-00535)
Swing Frame And Counterweight - Part 1 Of 3
Swing Frame And Counterweight - Part 2 Of 3
Swing Frame And Counterweight - Part 3 Of 3
Swing Frame Cover-Side - Part 3 Of 3
Swing Frame Cover-Side - Part 1 Of 3
Swing Frame Cover-Side (For High Ambient Cooling Package) - Part 2 Of 3
Swing Frame Cover-Side (For High Ambient Cooling Package) - Part 3 Of 3
Swing Frame Cover-Side - Part 2 Of 3
Swing Frame Cover-Side (For High Ambient Cooling Package) - Part 1 Of 3
Swing Frame Cover-Support - Part 1 Of 2
Swing Frame Cover-Support - Part 2 Of 2
Swing Frame Cover-Under
Swing Frame Cover-Upper (For High Ambient Cooling Package)
Swing Frame Cover-Upper
Swing Frame Support (For Power Offset Boom)
Swing Frame Support
Swing Frame Support (For Boom Lowering Check Valves)
Swing Frame Support (For 2 Pumps Flow Confluence Hyd. Line Group)
Swing Gear (5tg1-00535) - Part 3 Of 3
Swing Gear (5tg1-00535) - Part 1 Of 3
Swing Gear (5tg1-00535) - Part 2 Of 3
Swing Lines
Swing Lubrication Lines (5tg00536-)
Swing Motor (For Automatic Swing Brake) - Part 2 Of 4 (5tg1-00535)
Swing Motor (5tg1-00535) - Part 2 Of 3
Swing Motor (5tg1-00535) - Part 3 Of 3
Swing Motor (5tg1-00535) - Part 1 Of 3
Swing Motor (For Automatic Swing Brake) - Part 4 Of 4 (5tg1-00535)
Swing Motor (For Automatic Swing Brake) - Part 3 Of 4 (5tg1-00535)
Swing Motor (For Automatic Swing Brake) - Part 1 Of 4 (5tg1-00535)
Swing Unit (5tg00536-) - Part 3 Of 3
Swing Unit (For Swing Brake, W/Reverse Swing Damping Valve) - Part 2 Of 3
Swing Unit (For Swing Brake, W/Reverse Swing Damping Valve) - Part 1 Of 3
Swing Unit (For Automatic Swing Brake) - Part 2 Of 3 (5tg00536-)
Swing Unit (For Swing Brake, W/Reverse Swing Damping Valve) - Part 3 Of 3
Swing Unit (For Automatic Swing Brake) - Part 1 Of 3 (5tg00536-)
Swing Unit (For Automatic Swing Brake) - Part 3 Of 3 (5tg00536-)
Swing Unit (5tg00536-) - Part 1 Of 3
Swing Unit (5tg00536-) - Part 2 Of 3
Switch Box (Panel)-Part 1 Of 3
Switch Box (Monitor Panel)-Part 2a Of 3
Switch Box (Body)-Part 3 Of 3
Switch Box (Panel)-Part 1b Of 3
Switch Box (Monitor Panel)-Part 2 Of 3
Switch Box (Panel)-Part 1a Of 3
Switch Box (Body) - Part 3a Of 3
Switch Box
Switch Box (Body) - Part 3b Of 3
Swivel Guard
Tool Kit - Part 2 Of 2
Tool Kit - Part 1 Of 2
Track-450mm (17-3/4") Flat Shoes
Track-600mm (23-5/8") Triple Grouser Shoes
Track-450mm (17-3/4") Triple Grouser Shoes
Track-600mm (23-5/8") Apex Shoes
Track Roller
Transfer Group (Plates And Labels) English-Body (5tg00173-)
Transfer Group (Plates And Labels) French-Body (5tg00173-)
Transfer Group (Plates And Labels) Italian-Cab
Transfer Group (Plates And Labels) French-Body (5tg1-00173)
Transfer Group (Plates And Labels) English (For Hydraulic Blade)
Transfer Group (Plates And Labels) (For Power Offset Boom)
Transfer Group (Plates And Labels) English-Body (5tg1-00172)
Transfer Group (Plates And Labels) German-Cab
Transfer Group (Plates And Labels) French-Cab
Transfer Group (Plates And Labels) English (For Power Offset Boom)
Transfer Group (Plates And Labels) German-Body (5tg1-00172)
Transfer Group (Plates And Labels) Spanish-Cab
Transfer Group (Plates And Labels) Italian-Body (5tg1-00172)
Transfer Group (Plates And Labels) Italian-Body (5tg00173-)
Transfer Group (Plates And Labels) German-Body (5tg00173-)
Transfer Group (Plates And Labels) French-Body (5tg1-00172)
Transfer Group (Plates And Labels) (For High Ambient Cooling Package)
Transfer Group (Plates And Labels) English-Cab
Transfer Group (Plates And Labels) Spanish-Body (5tg1-00172)
Trapezoidal Bucket
Travel Drive (For Hydraulic Blade) - Part 3 Of 6 (5tg00660-)
Travel Drive - Part 4 Of 6
Travel Drive - Part 5 Of 6
Travel Drive (For Hydraulic Blade) - Part 3 Of 6 (5tg1-00659)
Travel Drive (For Hydraulic Blade) - Part 1 Of 6 (5tg00660-)
Travel Drive (For Hydraulic Blade) - Part 6 Of 6 (5tg00660-)
Travel Drive - Part 6 Of 6
Travel Drive (For Hydraulic Blade) - Part 4 Of 6 (5tg1-00659)
Travel Drive (For Hydraulic Blade) - Part 5 Of 6 (5tg00660-)
Travel Drive (For Hydraulic Blade) - Part 2 Of 6 (5tg00660-)
Travel Drive - Part 3 Of 6
Travel Drive (For Hydraulic Blade) - Part 6 Of 6 (5tg1-00659)
Travel Drive - Part 1 Of 6
Travel Drive (For Hydraulic Blade) - Part 1 Of 6 (5tg1-00659)
Travel Drive - Part 2 Of 6
Travel Drive (For Hydraulic Blade) - Part 2 Of 6 (5tg1-00659)
Travel Drive (For Hydraulic Blade) - Part 5 Of 6 (5tg1-00659)
Travel Drive (For Hydraulic Blade) - Part 4 Of 6 (5tg00660-)
Travel Drive And Sprocket
Travel Drive And Sprocket (For Hydraulic Blade) (5tg1-00659)
Travel Drive And Sprocket (For Hydraulic Blade) (5tg00660-)
Travel Lines
Travel Motor Lines (For Hydraulic Blade) - Part 1 Of 2
Travel Motor Lines (For Hydraulic Blade) - Part 2 Of 2
Travel Motor Lines
Traveling Control - Part 1 Of 2
Traveling Control - Part 2 Of 2
Upper Structure Lines (For Hydraulic Blade) - Part 2 Of 3
Upper Structure Lines
Upper Structure Lines (For Boom Lowering Check Valves)
Upper Structure Lines (For 2 Pumps Flow Confluence Hyd. Line Group)
Upper Structure Lines (For Hydraulic Blade) - Part 1 Of 3
Upper Structure Lines (For Power Offset Boom)
Upper Structure Lines - Part 2 Of 2
Upper Structure Lines (For Hydraulic Blade) - Part 3 Of 3
Upper Structure Lines - Part 1 Of 2
Vandalism Protection Guards
Water Separator
Wiper Motor (5tg00385-)
Wiper Motor (5tg1-00384)
Wiring Harness - Part 3 Of 4
Wiring Harness - Part 2 Of 4
Wiring Harness - Part 1 Of 4
Wiring Harness - Part 4 Of 4
Wiring Harness (For Cold Weather Starting Kit)
Work Body Attachment Section - Part 1 Of 2
Work Body Attachment Section - Part 2 Of 2
Work Body Boom Section 1
Work Body Boom Section 2
Work Body Boom Section 2 (For 2 Pumps Flow Confluence Hyd. Line Group) (5tg D92.11-)
Work Body Bucket Section - Part 2 Of 2
Work Body Bucket Section - Part 1 Of 2
Work Body Stick Section 1
Work Body Stick Section 2
Work Body Swing Section
Work Body Travel Section - Part 1 Of 2
Work Body Travel Section - Part 2 Of 2
Working Control - Part 3 Of 3
Working Control - Part 2 Of 3
Working Control - Part 1 Of 3
Working Lights
Yoke And Tension
E70B serial number reference
The PIN plate is a durable metal identification plate usually riveted to the machine frame, often on the right-hand side below the cab or near the boom base. To read the prefix, locate the first three alphanumeric characters of the code.
| Prefix | Identifies | Notes |
|---|---|---|
| 5TG | Japan (JP) Series | Identified as a specific series for this model; includes Mitsubishi 4D32 engine configuration. |
| 6AK | Rubber Track Version | Associated with rubber track configurations; confirm with dealer for specific machine generation. |
| 7YF | Rubber Track Version | Associated with rubber track configurations; confirm with dealer for specific machine generation. |
Frequently asked questions
What engine is used in the Caterpillar E70B?
The E70B is powered by a Caterpillar 3114 or 4D32 diesel engine, depending on the specific machine configuration.
What is the operating weight of this excavator?
The operating weight varies by configuration and attachments, generally falling within the range of 7 to 8 metric tons (15,432–17,637 lb).
What model replaced the E70B?
Specific successor lineage for the E70B is not documented in the provided source text.
What E70B owners discuss
What are common hydraulic performance issues reported on the E70B?
Users frequently report hydraulic flow imbalance, joystick control responsiveness problems, and travel drift to one side. Some machines experience hydraulic blade leak-off after extended operation or intermittent power loss in the left track drive specifically during reverse movement.
What engine models are used in the Caterpillar E70B?
The machine is equipped with a Mitsubishi 4D32 engine. Some sources also identify it as a Caterpillar 4D32 or 3114 engine; however, the 4D32 displacement is documented at 218 cu in (3,571 cu cm).
What are the typical signs of wear in the E70B final drive?
Common early indicators include unusual noise from the tracks, oil leaks around the final drive housing, a noticeable drop in travel speed, or the machine pulling to one side. Maintenance requires changing gear oil every 200 hours.
What electrical or sensor issues have been noted on the E70B dashboard?
Operators have reported difficulties with the warning buzzer and indicator light arrangement, as well as failures in the fuel level gauge and hydraulic temperature sending unit. A faulty engine speed sensor may also prevent the display panel from recognizing when the engine is running.
What should be checked regarding the main hydraulic pump on this series?
A poor surface finish on the main hydraulic pump swash plate can cause engine speed to drop or stall. Additionally, premature wear in the pump bore for certain pistons has been noted. If one side of the machine loses all hydraulic function, inspect the valves in the middle section of the main control valve.
What is the most important thing to check when buying a used E70B?
Thoroughly inspect all components for functionality, specifically testing the hydraulic strength and checking for any signs of weak hydraulics during operation. Ensure you verify the exact serial-prefix specification sheet and installed attachment package before purchase.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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