Komatsu SA6D110-1Q(S/N 54352-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu SA6D110-1Q engine powers mid-size to heavy construction machinery, primarily wheel loaders like the WA380-1 and excavators such as the PC210Z-1. This six-cylinder, turbocharged diesel unit delivers 196 to 359 HP (147 to 268 kW) and is fitted to machines with operating weights ranging from 30,445 to 48,760 kg (67,120 to 107,497 lbs). Production spans the late 1990s through the 2000s, serving as a predecessor to the SAA6D107E series in newer excavator lines. Configurations vary by application, with the SA6D110-1Q specifically identified in wheel loader applications like the WA380-1.
Across generations, the SA6D110-1Q evolved from earlier S6D110-1 variants, incorporating updates to meet emissions standards and improve fuel efficiency. The machine remains significant in the used and parts market due to its widespread installation in durable WA380 and PC210 series equipment. Its longevity and the availability of comprehensive overhaul kits ensure continued demand for replacement components, making it a staple in fleet maintenance for heavy earthmoving and loading operations.
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.
Komatsu SA6D110-1Q(S/N 54352-UP) specifications
Engine
| Model | SA6D110-1Q |
| Series | 110 Series |
| Configuration | 6-cylinder, in-line, water-cooled, 4-stroke cycle, direct-injection, turbocharged diesel engine |
| Emissions Tier | Not documented for this exact serial range — verify with your dealer |
Weights
| Operating Weight | Not documented for this exact serial range — verify with your dealer |
| Shipping Weight | Not documented for this exact serial range — verify with your dealer |
| Ground Pressure | Not documented for this exact serial range — verify with your dealer |
Dimensions
| Transport Length | Not documented for this exact serial range — verify with your dealer |
| Transport Width | Not documented for this exact serial range — verify with your dealer |
| Transport Height | Not documented for this exact serial range — verify with your dealer |
| Track Gauge | Not documented for this exact serial range — verify with your dealer |
| Ground Clearance | Not documented for this exact serial range — verify with your dealer |
Performance
| Travel Speed | Not documented for this exact serial range — verify with your dealer |
| Gradeability | Not documented for this exact serial range — verify with your dealer |
Service capacities (summary)
| Fuel Tank | Not documented for this exact serial range — verify with your dealer |
| Hydraulic System | Not documented for this exact serial range — verify with your dealer |
| Engine Oil | Not documented for this exact serial range — verify with your dealer |
| Cooling System | Not documented for this exact serial range — verify with your dealer |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
Komatsu SA6D110-1Q(S/N 54352-UP) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the SA6D110-1Q(S/N 54352-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
Utilize KOWA fluid analysis at every major service interval to monitor wear metals and contaminants in the SA6D110-1Q engine. Track hydraulic oil particle counts and viscosity to detect pump or valve wear early. Monitor coolant pH and SCA concentration to prevent scaling and corrosion in cooling passages. Analyze engine oil for fuel dilution and soot levels to optimize change intervals. Use KOMTRAX telematics to correlate fluid health with load frequency and operating hours, ensuring timely sampling and preventing catastrophic powertrain failure.
Corrective & Common Repairs
Address frequent SA6D110-1Q issues by inspecting the turbocharger for shaft play and seal leaks. Check the fuel injection system for injector leaks or clogged nozzles that cause black smoke or rough idling. Inspect the air filter housing and intake piping for cracks that allow unfiltered air entry. Replace worn hydraulic hoses and fittings to prevent pressure drops in loader or excavator circuits. Verify alternator and starter connections for corrosion, which can cause starting failures in older units.
Overhaul & Rebuild Points
Plan the SA6D110-1Q inframe overhaul around 10,000 to 15,000 hours, depending on maintenance history. Replace piston rings, liners, and bearings using the dedicated inframe kit for serial numbers 50001 and up. Inspect the crankshaft for wear and the cylinder head for warping or valve seat recession. During out-of-frame rebuild, replace the turbocharger, water pump, and oil pump. Ensure all gaskets and seals are OEM-spec to maintain compression and prevent coolant or oil leaks after reassembly.
Seasonal & Environment Servicing
In cold climates, verify the coolant freeze protection level and use Komatsu Super Coolant AF-NAC to prevent block cracking. Install block heaters if ambient temperatures drop below -10°C. In dusty environments, inspect the air filter restriction indicator more frequently and clean radiator and oil cooler fins daily to prevent overheating. In high-humidity areas, check fuel water separator daily to prevent microbial growth. Adjust undercarriage tension for soft ground to reduce track wear and improve traction.
SA6D110-1Q(S/N 54352-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 07281-00197 | Clamp,(With Pre-Fuel Filter) | Fuel system service | Check fitment → |
| 600-311-9100 | Fuel Filter Ass'Y | Fuel system service | Check fitment → |
| 6138-71-6101 | Fuel Filter Ass'Y | Fuel system service | Check fitment → |
| (6138-71-6100) | Fuel Filter Ass'Y | Fuel system service | Check fitment → |
| 09637-02161 | Plate? Instruction,Air Cleaner (Double Element) | Air intake service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
SA6D110-1Q(S/N 54352-UP) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| CA115 | Engine crankshaft speed sensor failure | Broken sensor, wiring issue, or connector corrosion | Replace the speed sensor and verify voltage at the pin connector |
| CA111 | Internal engine controller fault | ECM internal abnormality | Replace or reprogram the ECM |
| CA441 | Battery voltage too low | Alternator or battery failure | Replace the alternator or battery and check the voltage regulator |
| CA442 | Battery voltage too high | Alternator or battery failure | Replace the alternator or battery and check the voltage regulator |
| CA122 | Intake air pressure high voltage | Sensor malfunction or actual overpressure | Verify the intake pressure sensor and wiring |
| CA123 | Intake air pressure low voltage | Sensor short or airflow restriction | Check for a sensor short or an airflow restriction |
| CA153 | Intake air temperature sensor error | Sensor failure | Replace or test the IAT sensor |
| CA154 | Intake air temperature sensor error | Sensor failure | Replace or test the IAT sensor |
| CA451 | Common rail pressure sensor feedback value too high | Rail sensor malfunction or actual overpressure | Diagnose the fuel rail pressure sensor or pump lines |
| CA452 | Common rail pressure sensor feedback value too low | Rail sensor malfunction or low pressure | Diagnose the fuel rail pressure sensor or pump lines |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
SA6D110-1Q(S/N 54352-UP) attachments & work tools
Wheel Loader Attachments
The SA6D110-1Q engine is specified for the Komatsu WA380-1 wheel loader (serial 10001-Up and A20012-Up). Typical work tools for this class include standard buckets ranging from 2.0 to 3.0 cubic meters (2.6 to 3.9 cubic yards) and multi-purpose buckets. Coupler systems are standard for quick attachment changes.
Generator Set Applications
The engine powers the Komatsu EC210Z-1 and EG150-3 generator sets. Work tool compatibility is limited to the generator frame and mounting configurations. No external hydraulic work tools are offered for this specific engine application.
Excavator Compatibility
The SA6D110-1Q is not listed as the primary engine for the PC200-5 or PC200LC-5 excavators in the provided sources; those models are associated with the S6D110-1A or S6D110-1B engines. Consequently, specific bucket sizes and hydraulic kit arrangements for excavators using the SA6D110-1Q are not documented in the source text.
All SA6D110-1Q(S/N 54352-UP) assemblies by section
Every catalogued assembly group for the Komatsu SA6D110-1Q(S/N 54352-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Accessory
Komatsu : Sa6d110-1q(S/N 54352-Up) : Accessory : Air Compressor
| 61***11 | Air Compressor Ass'Y,(See Fig.0711) | 1 |
| 61***12 | Air Compressor Ass'Y | 1 |
| DK***00 | Cylinder | 1 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Accessory : Air Compressor And Piping
| 01***20 | Bolt,(Large Capacity Type) (Std) | 1 |
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 1 |
Cooling System
Komatsu : Sa6d110-1q(S/N 54352-Up) : Cooling System : Corrosion Resistor And Piping
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***29 | Washer,Spring (Cold Weather Spec.) | 4 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Cooling System : Water Pump And Coolinf Fan (Noise Suppression Spec. For France)
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 3 |
| 01***50 | Bolt | 1 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Cooling System : Water Pump And Cooling Fan
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 3 |
| 01***50 | Bolt | 1 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Cooling System : Water Pump And Cooling Fan (Noise Suppression Spec.)
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 3 |
| 01***50 | Bolt | 1 |
Cylinder Block
Komatsu : Sa6d110-1q(S/N 54352-Up) : Cylinder Block : Camshaft And Tappet
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 2 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Cylinder Block : Crankshaft
| 01***55 | Bolt,(For France Noise Suppression) | 6 |
| 01***45 | Bolt,Nylock | 1 |
| 01***50 | Bolt,(Europe Spec.) | 6 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Cylinder Block : Cylinder Block
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 4 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 4 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Cylinder Block : Flywheel And Flywheel Housing
| 01***40 | Bolt,(Dust And Dirt Protection) | 9 |
| 01***45 | Bolt,(Cold Terrain Spec.) | 8 |
| 01***55 | Bolt,(For France Noise Suppression) | 4 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Cylinder Block : Front Cover And Gear
| 01***22 | Bolt,(Cold Terrain Spec.) | 4 |
| 01***25 | Bolt,(Without Auto Priming System) | 4 |
| 01***60 | Bolt,(Without Alternator Bracket) | 8 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Cylinder Block : Oil Pan
| 01***22 | Bolt,(Cold Terrain Spec.) | 29 |
| 01***25 | Bolt,(Without Auto Priming System) | 8 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Cylinder Block : Oil Pan (Cold Terrain Spec.)
| 01***22 | Bolt,(Cold Terrain Spec.) | 29 |
| 01***25 | Bolt,(Without Auto Priming System) | 8 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Cylinder Block : Piston And Connecting Rod
| 04***18 | Ring, Retaining | 12 |
| 61***10 | Bolt,Connecting Rod | 2 |
| 61***11 | Bolt,Connecting Rod | 2 |
Cylinder Head
Komatsu : Sa6d110-1q(S/N 54352-Up) : Cylinder Head : Air Cleaner And Mounting
| 01***25 | Bolt,(Without Auto Priming System) | 1 |
| 01***80 | Bolt,(See Fig.0131) | 1 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Cylinder Head : Air Intake Manifold And After Cooler
| 01***20 | Bolt | 2 |
| 01***25 | Bolt,(Without Auto Priming System) | 12 |
| 01***35 | Bolt,(Without Auto Priming System) | 2 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Cylinder Head : Cylinder Head
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
| 01***20 | Washer,Spring | 2 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Cylinder Head : Cylinder Head Cover
| 07***23 | Clamp - Hose | 1 |
| 07***00 | Clip | 1 |
| 07***30 | Clip | 1 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Cylinder Head : Exhaust Manifold And Turbocharger
| 01***60 | Bolt (M10-1.50x60) | 1 |
| 01***00 | Bolt (M10-1.50x100) | 9 |
| 01***15 | Bolt | 2 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Cylinder Head : Muffler And Mounting
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 4 |
| 01***95 | Bolt,(For Reversible Fan) | 2 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Cylinder Head : Rocker Arm
| 01***80 | Bolt,(Shim 5 Pieces Over) | 2 |
| 01***06 | Nut, Regular Hexagon (M8-1.25) | 12 |
| 01***36 | Washer,Radio Controlled Slag Handling | 6 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Cylinder Head : Turbocharger
| 61***01 | Turbocharger Ass'Y,(T04b59-39) | 1 |
| GA***00 | Clamp | 3 |
| GA***01 | Bolt | 6 |
Electrical System
Komatsu : Sa6d110-1q(S/N 54352-Up) : Electrical System : Alternator (25a) (With Hardening Pulley)
| 60***30 | Alternator A. (25a),(With Hardening Pulley) | 1 |
| KD***57 | Bearing,Ball? Front | 1 |
| KD***80 | Collar | 1 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Electrical System : Alternator (35a) (With Hardening Pulley)
| 60***40 | Alternator A. (35a),(With Hardening Pulley) | 1 |
| KD***57 | Bearing,Ball? Front | 1 |
| KD***80 | Collar | 1 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Electrical System : Alternator (35a) (With Hardening Pulley)(#54352-68293)
| 60***40 | Alternator A. (35a),(With Hardening Pulley) | 1 |
| KD***57 | Bearing,Ball? Front | 1 |
| KD***80 | Collar | 1 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Electrical System : Alternator (50a) (With Hardening Pulley)
| 60***90 | Alternator A. (50a),(With Hardening Pulley) | 1 |
| SD***X0 | Washer | 1 |
| SD***X0 | Fan | 1 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Electrical System : Alternator And Mounting (25a? 35a? 50a) (Bracket Mounting Type)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***70 | Bolt,(With Wear Guard) | 1 |
| 01***35 | Bolt,(Cold Weather Spec.) | 1 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Electrical System : Starting Motor (7.5kw)
| 60***50 | Starting Motor Ass'Y,(7.5kw) | 1 |
| KD***60 | Shift Lever Assembly | 1 |
| KD***40 | Spring,Spring | 4 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Electrical System : Starting Motor And Mounting (7.5kw)
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 3 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 3 |
| 01***36 | Washer,Radio Controlled Slag Handling | 3 |
Fuel System
Komatsu : Sa6d110-1q(S/N 54352-Up) : Fuel System : Additional Fuel Filter
| 07***12 | Gasket,Mechanical Pump Piping | 2 |
| 60***00 | Fuel Filter Ass'Y | 1 |
| 60***20 | Cartridge,Pref | 1 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Fuel System : Fuel Filter And Piping
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 2 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 2 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Fuel System : Fuel Injection Pump (Coupling)
| DK***20 | Plate | 1 |
| DK***00 | Coupling | 1 |
| DK***00 | Washer,Lock | 2 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Fuel System : Fuel Injection Pump (Feed Pump)
| DK***20 | Bolt, Joint | 1 |
| DK***20 | Pump,Priming | 1 |
| DK***00 | Guide | 2 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Fuel System : Fuel Injection Pump (Governor) (1/2)
| DK***20 | Guide Lever Ass'Y | 1 |
| DK***00 | Adapter | 1 |
| DK***00 | Spring | 1 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Fuel System : Fuel Injection Pump (Governor) (2/2)
| DK***80 | Shim? 0.5mm | 0 |
| DK***00 | Washer,Spring | 1 |
| DK***20 | Capsule,Spring | 1 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Fuel System : Fuel Injection Pump (Pump)
| 61***20 | Injection Pump Ass'Y | 1 |
| DK***00 | Seat,Spring | 6 |
| DK***20 | Bolt | 1 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Fuel System : Fuel Injection Pump (Timer)
| DK***00 | Shim? 0.15mm | 0 |
| DK***20 | Flange | 1 |
| DK***40 | Shim? 0.20mm | 0 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Fuel System : Fuel Injection Pump And Piping
| 01***30 | Bolt | 3 |
| 01***70 | Bolt | 4 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 4 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Fuel System : Fuel Nozzle And Spill Pipe
| 01***55 | Bolt,(For Trimming Dozer) | 12 |
| 01***55 | Screw | 12 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 12 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Fuel System : Solenoid And Mounting
| 01***20 | Bolt | 4 |
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***50 | Bolt - Torque Converter Totransmission Mounting | 2 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Fuel System : Water Separator
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
| 60***00 | Water Separator A.,(4d105-5h? 4d105-5t) | 1 |
| 60***60 | Plug,Drain (4d105-5h? 4d105-5t) | 1 |
Lubricating Oil System
Komatsu : Sa6d110-1q(S/N 54352-Up) : Lubricating Oil System : Lubricating Oil Cooler
| 01***25 | Bolt,(Without Auto Priming System) | 5 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***35 | Bolt,(Without Auto Priming System) | 16 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Lubricating Oil System : Lubricating Oil Cooler (Cold Terrain Spec.)
| 01***25 | Bolt,(Without Auto Priming System) | 7 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***35 | Bolt,(Without Auto Priming System) | 12 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Lubricating Oil System : Lubricating Oil Filter And Mounting
| 01***70 | Bolt | 1 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 1 |
| 01***55 | Bolt,(For Suction? Reversible Fan) | 2 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Lubricating Oil System : Lubricating Oil Piping
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***40 | Bolt,(For Position Fixing) | 1 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Lubricating Oil System : Lubricating Oil Pump And Suction Pipe
| 01***25 | Bolt,(Without Auto Priming System) | 3 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***45 | Bolt,(S6d155-4b) | 1 |
Komatsu : Sa6d110-1q(S/N 54352-Up) : Lubricating Oil System : Turbocharger Lubricating Oil Piping
| 01***22 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 2 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
Tool And Kit
Komatsu : Sa6d110-1q(S/N 54352-Up) : Tool And Kit : Gasket Kit
| 07***18 | O-Ring,(See Fig.1601-29?1602-17) | 1 |
| 07***21 | O-Ring,Water Piping | 1 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
SA6D110-1Q(S/N 54352-UP) serial number reference
The PIN plate is riveted to the right-hand side of the cab on the lower frame, typically just behind the front idler or beneath the operator's window. The prefix is the first character (letter) of the 17-character ISO PIN or the model serial number; match this prefix to the range table to confirm the correct parts catalog.
| Prefix | Identifies | Notes |
|---|---|---|
| A | WA380-1 | Wheel loader series. Serial range 10001-Up & A20012-Up. Engine: SA6D110-1Q. Years: ~1990s (Dash-1 generation). |
| S | S6D110-1 / SA6D110-1 | 110 Series Diesel Engine. Serial range 10001 and up. Years: ~1996 (per shop manual SEBE6138A05). |
Frequently asked questions
What engine does the Komatsu SA6D110-1Q use?
The Komatsu SA6D110-1Q is a six-cylinder, turbocharged, direct-injection diesel engine. It is part of the Komatsu 110 Series and is specifically identified in applications such as the WA380-1 wheel loader.
What is the operating weight range for machines using this engine?
Machines equipped with the SA6D110-1Q engine typically have operating weights ranging from 30,445 to 48,760 kg (67,120 to 107,497 lbs), depending on the specific model configuration and attachments.
What replaced the SA6D110-1Q engine?
The SA6D110-1Q was succeeded by newer Komatsu engine series such as the SAA6D107E series in excavators and updated 6D105/6D110 variants in wheel loaders, which incorporate advanced emissions control systems like SCR and DPF to meet Tier 4 Final and Stage V standards.
What SA6D110-1Q(S/N 54352-UP) owners discuss
What are the known powertrain and hydraulic behaviors for the Komatsu SA6D110-1Q engine series?
What undercarriage or wear patterns are typical for machines equipped with this engine?
What are the common engine quirks or failure modes for the SA6D110-1Q series?
What are the common electrical or sensor issues associated with this engine?
What should be checked when buying a used machine with the SA6D110-1Q engine (S/N 54352-UP)?
What are the recommended fluid specifications for the SA6D110-1Q engine and associated systems?
What safety-critical fixes or inspections are essential for this engine series?
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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