Komatsutrucksmechanical
Komatsu BFA40-1(210M BFA40-A thru AR)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu BFA40-1 (210M, serials BFA40-A thru AR) is a rigid-frame, mechanical-drive rear-dump haul truck in the roughly 32-54 t (35-60 US ton) class, with a nominal payload around 41-45 t (45-50 tons) and a gross operating weight class of about 95 t (210,000 lb) - the basis for the "210M" name. This early production block runs the Cummins KT-19/1150-series engine (K19/KTA19 family): a turbocharged, mechanically governed inline-six of about 18.9 L (1150 cu in) displacement with a PT (pressure-time) fuel system and no electronic engine control. Built from the late 1980s through the Komatsu-Dresser joint-venture years, the 210M paired with the smaller 140M as the next-generation Dresser off-highway truck line, replacing earlier Dresser/Wabco rear-dump models and adding an electronically controlled powershift transmission and revised hydraulics. Factory configurations on this chassis include a standard rock/quarry dump body or a higher-volume, lower-density coal/aggregate body, an optional bolt-on tailgate, an abrasion-resistant body liner package, a ROPS/FOPS cab guard, and a centralized chassis lubrication system.
Later production on this same 210M chassis carried the letter-prefix serial sequence forward through the BFA40-2 and BFA40-3 blocks, still on the KT-19/1150 engine, before Komatsu moved the line to the electronically controlled Cummins QSK-19 starting at BFA40-4 and continuing through BFA40-6 - a shift from mechanical PT fuel delivery and switch/gauge diagnostics to full engine electronics and scan-tool fault codes. That split matters for buyers and parts counters today: this BFA40-A-thru-AR block is the purely mechanical end of the 210M run, so engine, fuel-system, and diagnostic parts have to match KT-19 catalogs rather than QSK-19 catalogs. Decades on, these trucks remain active in quarry, aggregate, and lower-tier mining fleets worldwide because their mechanical drivetrain and PT fuel system are field-rebuildable without OEM electronics, keeping used units and remanufactured components such as PT pumps, injectors, final drives, and brake packs in steady demand.
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 BFA40-1(210M BFA40-A thru AR) specifications
Engine
| Engine model | Cummins KT-19 (K19/1150 series), 6-cylinder, turbocharged and aftercooled diesel. This is the engine listed against the BFA40-A serial range for this truck. Later production runs of this same 210M truck (from roughly the BFA40-DA serial break onward) were updated to the electronically controlled Cummins QSK-19 engine — those figures do not apply to this earlier BFA40-A-thru-AR range. |
| Displacement / cylinders | Approx. 18.9 L (1150 cu in), inline 6-cylinder. The "1150" in the engine family name is its displacement in cubic inches. |
| Gross power | Not published for this exact serial range in available documentation. The KT-19/1150 engine family fitted to this era of mechanical-drive haul truck is factory-rated broadly across a 336–522 kW (450–700 hp) band depending on turbo/aftercooling and governed rpm. Confirm the exact rating from the engine dataplate or a dealer parts lookup rather than assuming a single figure. |
| Emissions tier | Pre-emissions-tier mechanical diesel — mechanically governed fuel system, no electronic engine controls. Predates EPA Tier/off-road emissions standards, consistent with this truck's original production generation. |
Weights
| Gross vehicle weight class | Approx. 95 t (210,000 lb) gross vehicle weight class — the basis for the "210M" model designation on this truck. |
| Payload class | Approx. 45 t (50 US tons) rear-dump payload class, placing this truck in the mid-capacity mechanical-drive haul truck range of its era. |
| Shipping weight / ground pressure | Not documented for this exact serial range in available sourcing — verify with a factory spec sheet or your dealer. |
Dimensions
| Transport dimensions | Not documented for this exact serial range in available sourcing. Overall length, width, height, wheelbase, and ground clearance figures could not be verified across independent sources — verify with the original factory spec sheet or your dealer. |
Performance
| Travel speed / gradeability | Not documented for this exact serial range in available sourcing. This truck generation used a mechanical (powershift) drivetrain with updated electronic transmission controls compared with earlier rear-dump models in the lineup, but no verifiable numeric travel-speed or gradeability figures were found — verify with your dealer. |
Service capacities (summary)
| Fuel, hydraulic, engine oil, cooling capacities | Not documented for this exact serial range in available sourcing — verify with the factory operation and maintenance manual for this truck. |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
BFA40-1(210M BFA40-A thru AR) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter change) | Not published in accessible sources for this serial range. Confirm against the factory operation & maintenance manual or with a dealer before service. | Diesel engine oil per the engine builder's service class for this era of mechanical-drive haul truck. Grade split by ambient temperature is standard practice; exact viscosity table not confirmed for this unit — verify before fill. |
| Cooling system | Not published in accessible sources for this serial range. Confirm against the factory operation & maintenance manual or with a dealer before service. | Heavy-duty extended-life or conventional low-silicate coolant/antifreeze with supplemental coolant additive per factory service practice for this engine family. Exact product name not confirmed for this unit — verify before fill. |
| Fuel tank | Not published in accessible sources for this serial range. Confirm against the factory operation & maintenance manual or with a dealer before service. | Diesel fuel, grade selected by ambient temperature per standard cold-weather/summer blend practice. |
| Power-shift transmission / torque converter | Not published in accessible sources for this serial range. Confirm against the factory operation & maintenance manual or with a dealer before service. | Powershift transmission fluid of the type specified for this drivetrain generation. Exact product name and viscosity-by-climate split not confirmed for this unit — verify before fill. |
| Final drives (each side) | Not published in accessible sources for this serial range. Confirm against the factory operation & maintenance manual or with a dealer before service. | Gear oil of the type specified for planetary final drives on this class of rigid-frame haul truck. Exact grade not confirmed for this unit — verify before fill. |
| Hydraulic system and tank | Not published in accessible sources for this serial range. Confirm against the factory operation & maintenance manual or with a dealer before service. | Hydraulic oil of the type specified for the dump-body/steering circuits on this truck. Exact product name and viscosity-by-climate split not confirmed for this unit — verify before fill. |
| Grease (chassis, pins, bushings) | Not applicable — service by point/interval, not by volume. | Multipurpose chassis grease (lithium-complex EP type is standard practice for this class of haul truck). Exact factory-named product not confirmed for this unit — verify before service. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu BFA40-1(210M BFA40-A thru AR) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
| Every 6,000 h |
|
Servicing the BFA40-1(210M BFA40-A thru AR) beyond the schedule
Predictive Maintenance & Fluid Analysis
On the KT-19/1150 engine, oil analysis is the earliest warning of PT pump or injector wear before it shows up as smoke or hard starting. Trend engine oil for fuel dilution and wear metals, and sample torque converter and final-drive oil the same way. Watch converter oil temperature on sustained grades: a trend that won't settle back down flags glazing brake discs or a slipping clutch pack before failure. Track hydraulic filter bypass indicators and suspension cylinder pre-charge as leading wear signals, not just fluid change points.
Corrective & Common Repairs
Rough idle, hard cold starts, or visible smoke on this range trace to PT pump or injector wear more often than the turbo - check fuel delivery first. A torque converter temperature that climbs under load points to glazed wet-disc brake packs or a slipping clutch, not the engine. Whine or clank from a final drive or differential under load means bearing wear; pull the corner for inspection early rather than run it to a gear-set failure. Chafed wiring at frame flex points causes intermittent gauge and lamp faults.
Overhaul & Rebuild Points
Plan PT pump and injector overhaul on hours and fuel-system trend data, since this mechanical fuel system has no electronic diagnostics to flag it for you. Torque converter and powershift clutch packs, wet-disc brake packs, and planetary final drives are the major driveline rebuild points on a rigid-drive truck this size. Inspect the frame and dump-body mounting points for stress cracking at every major service, especially around hoist-cylinder pins and rear corners. Suspension struts and cylinders need seal and nitrogen/oil pre-charge rebuilds on the same cycle as the driveline.
Seasonal & Environment Servicing
Cold-weather starts on the mechanically governed KT-19 depend on a working ether-start solenoid/metering valve and block or coolant heater rather than electronic pre-heat - meter ether carefully, since flooding a cold cylinder can hydraulic-lock or crack a piston. Check batteries and starter-circuit condition ahead of winter; a big-displacement mechanical engine is hard to crank on a weak battery. In hot, dusty quarry service, watch air cleaner restriction and radiator core cleanliness, and check suspension cylinder charge and tire wear as haul-road heat and abrasion run higher.
BFA40-1(210M BFA40-A thru AR) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| DA1467 | Element, Fuel Filter | Fuel system service | Check fitment → |
| PB1257 | Filter, Air Conditioning / Heating | Air intake service | Check fitment → |
| VS7035 | Element, Engine Oil Filter (By-Pass) | Lubrication service | Check fitment → |
| VE2898 | Filter | Scheduled service item | Check fitment → |
| PB4799 | Head, Filter | Scheduled service item | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
BFA40-1(210M BFA40-A thru AR) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| ENGINE OIL PRESSURE (LOW) warning lamp / shutdown | Oil pressure switch signals pressure below the safe minimum for the Cummins KT-19/1150-series mechanical engine; lamp lights and, on shutdown-equipped units, the fuel shutoff trips. | Low oil level, worn oil pump or bearings, or a faulty pressure switch/sender. | Stop the engine immediately, check oil level and look for external leaks before restart; verify with a mechanical test gauge if the lamp stays on with oil full. |
| COOLANT TEMPERATURE (HIGH) warning lamp / shutdown | Coolant temperature switch trips when jacket water temperature exceeds the safe limit for the KT-19 cooling system. | Low coolant level, blocked radiator core, failed water pump, stuck thermostat, or a slipping or failed fan drive. | Idle down and shut off if the lamp stays lit; check coolant level and radiator/fan airflow before restart. |
| TORQUE CONVERTER OIL TEMPERATURE (HIGH) warning lamp | Converter/transmission oil temperature switch signals overheated torque converter fluid. | Low transmission oil level, restricted torque converter oil cooler, or sustained lugging in converter drive on grade. | Reduce load or grade, let the converter cool at low idle, then check oil level and cooler flow before resuming work. |
| AIR SYSTEM PRESSURE (LOW) warning buzzer/lamp | Air pressure switch signals the service/park brake air supply has dropped below minimum working pressure. | Air compressor fault, leaking air lines or fittings, or a stuck unloader valve. | Do not move the truck until pressure rebuilds to normal; inspect the compressor and air system for leaks. |
| HYDRAULIC FILTER BYPASS / RESTRICTION indicator | Differential-pressure indicator shows the hoist/steering hydraulic filter is loading up and bypassing unfiltered oil. | Dirty or overdue filter element, cold oil viscosity, or contaminated hydraulic oil. | Replace the filter element at the next service interval; sample the oil if the indicator trips repeatedly. |
| PARKING BRAKE APPLIED indicator | Indicates the spring-applied parking brake is set or has not fully released. | Brake control left applied, low release pressure, or a faulty brake switch. | Confirm the parking brake control position and release-system pressure before attempting to move the truck. |
| ALTERNATOR / NO CHARGE warning lamp | Charging system indicator shows the alternator is not charging the batteries. | Broken or slipping drive belt, failed alternator, or a wiring/connection fault. | Check belt tension and battery voltage; test alternator output and wiring if the lamp stays lit with the engine running. |
| FUEL LEVEL LOW warning lamp | Fuel level sender signals the tank has reached a low-level threshold. | Normal fuel consumption nearing empty, or a faulty level sender. | Refuel at the next safe opportunity; verify the sender if the lamp reads low with a known-full tank. |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
BFA40-1(210M BFA40-A thru AR) attachments & work tools
Machine type & class
This is a rigid-frame, mechanical-drive, rear-dump off-highway haul truck in the roughly 35-60 short-ton payload class (nominally about 50 tons), built during the Komatsu-Dresser Haulpak era. It is not a loader, dozer, or excavator, so it does not run interchangeable buckets, blades, or GET-style work tools.
Engine identity for this serial range
Serial range BFA40-A thru AR pairs with the KT-19/1150-series (Cummins KTA19-family) diesel. Later BFA40-2 and up serial ranges on the same chassis moved to Cummins QSK19 engines; options and hydraulic-kit notes tied to the QSK19 range do not apply to this A-thru-AR range.
Dump body
Standard fitment is a factory rock/quarry-rated dump body sized for the class; a higher-volume, lower-density coal or aggregate body variant was offered where heaped material is lighter than rock. The body is pinned to the frame and raised by twin hoist (dump) cylinders — it is a fixed structural component, not a quick-change work tool. Rated heaped/struck capacity varies by body option and is not standardized across all units.
Tailgate
An optional bolt-on tailgate was available to retain fine or loose material such as sand or crushed stone. It is left off for oversize rock or rip-rap loads. Fitment is configuration-dependent, not universal to every truck.
Body liner / wear package
Bolt-on abrasion-resistant steel liner plates for the dump-body floor and sides are offered as a factory or dealer-fit option to extend body service life in abrasive rock or ore hauling, at the cost of added tare weight.
Hoist cylinders and body-prop strut
The dump body is raised by hydraulic hoist (dump/lift) cylinders, and a mechanical body-prop strut is fitted as a standard safety device to lock the body up during service work underneath it. These are structural/safety items, not swappable attachments.
Cab guard / FOPS canopy
A ROPS/FOPS-rated screen or canopy over the operator cab is offered for quarry and mining duty where falling rock is a hazard. Whether it is fitted varies by operation and application, not a universal factory standard.
Automatic (centralized) lubrication system
A centralized chassis and hoist-pin lubrication system is available as a factory or dealer-installed option, reducing manual grease-point servicing on chassis pivots, hoist pins, and body pivots.
Tires and wheels
Radial tubeless rock/quarry-tread tires sized for this haul-truck class are fitted; exact size and tread pattern vary by haul-road surface, application, and dealer region, and no single spec is confirmed across all units of this serial range.
Attachment/coupler system
There is no quick-coupler or interchangeable work-tool mounting system on this machine. The dump body and tailgate are fixed, pinned/bolted factory components rather than swappable attachments, unlike a loader or excavator front end.
All BFA40-1(210M BFA40-A thru AR) assemblies by section
Every catalogued assembly group for the Komatsu BFA40-1(210M BFA40-A thru AR). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Body Group
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Body Group : Body & Pivot Installation
| C***3 | Pin, Cotter | 2 |
| C***4 | Lockwasher - 1" (1) | 2 |
| C***5 | Fitting, Drive Yoke Grease | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Body Group : Rock Deflector - Fender Instl
| C***3 | Nut - 1/2" - 13nc (G5) | 8 |
| C***0 | Capscrew - 1/2" - 13nc X 5 1/2" | 5 |
| C***6 | Capscrew - 1/2" - 13 X 4-1/2" G5 | 3 |
Cab Group
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cab Group : Air Conditioner & Piping
| C***2 | Capscrew - 3/8" - 16nc X 1" (Qty. 10 Not Included In Assm) | 7 |
| C***5 | Capscrew - 3/8" - 16nc X 1 3/4" (L.H. Side) | 4 |
| C***7 | Capscrew - 1/2" - 13nc X 2-1/4" | 4 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cab Group : Cab Assembly - 1 (Pb7436)
| PB***68 | Arm, Windshield Wiper Assembly | 1 |
| PB***67 | Blade, Wiper (See Windshield Wiper Pg) | 1 |
| PB***69 | Motor, Windshield Wiper (See Windshield Wiper Pg) | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cab Group : Cab Assembly - 2 (Pb7436)
| PB***57 | Filter, Air Conditioning / Heating | 1 |
| SP***17 | Flat Washer - 1/4" - 20nc | 14 |
| SH***97 | Bolt, Hex Head - 1/4" - 20, 1/2" Long | 3 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cab Group : Cab Door Assembly - 1
| SP***17 | Flat Washer - 1/4" - 20nc | 4 |
| TD***94 | Capscrew - 5/16" - 18nc X 3/4" | 6 |
| TV***25 | Bolt, Hex Head - 1/4"-20, 1 1/2" Long | 4 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cab Group : Cab Door Assembly - 2
| DF***17 | Nut - #10 - 24nc (Brass) | 2 |
| SG***07 | Lockwasher - #10 (Internal Tooth) | 2 |
| VE***56 | Rod | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cab Group : Cab Miscellaneous - 1
| PB***70 | Heater & Air Conditioner Assembly (See Index) | 1 |
| PB***14 | Driver Seat Assembly (See Index) | 1 |
| PB***12 | Equalizer, Battery (Vanner) | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cab Group : Cab Miscellaneous - 2
| PB***24 | Monitor, Battery | 1 |
| SP***17 | Flat Washer - 1/4" - 20nc | 9 |
| TD***49 | Nut, Hex - 1/4" - 20nc (Zinc Pl) | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cab Group : Cab Support Installation
| C***1 | Lockwasher - 5/8" (3)/(4) | 3 |
| C***2 | Capscrew - 5/8" - 11nc X 1 1/2" | 3 |
| TY***43 | Bushing | 3 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cab Group : Cab Wiring Module
| DF***17 | Nut - #10 - 24nc (Brass) | 7 |
| PB***12 | Diode Assembly (Tail Light) | 2 |
| PB***67 | Relay (Located In Operator'S Cab Junction Box) | 5 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cab Group : Heater & Air Conditioner Assm (Pb6370)
| VJ***19 | Cover, Air Intake | 1 |
| VE***43 | Blower Assembly - R.H | 1 |
| VE***44 | Motor - 24v | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cab Group : Heater Piping
| HC***08 | Clamp, Worm Drive (At Heater) | 4 |
| H***8 | Bushing, Pipe - .50 X .375 | 1 |
| SD***09 | Bushing, Pipe - 3/4" X 3/8" | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cab Group : Instrument Panel
| HE***67 | Machine Screw - #6 - 32nc X 1/2" (2) | 8 |
| PB***01 | Overlay Kit, Bezel | 10 |
| PB***02 | Overlay Kit, Bezel | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cab Group : Mirror Assembly (Pb2308)
| C***8 | Lockwasher - 5/16" | 4 |
| C***7 | Capscrew - 5/16" - 18nc X 3/4" With Lockwasher | 4 |
| E***5 | Flat Washer - 3/8" (1)/(2)/(3)/(4) | 8 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cab Group : Mirror Installation - L.H.
| H***6 | Capscrew - 1/4" - 20nc X 1/2" | 6 |
| PB***08 | Mirror Assm (See Following Pg) | 1 |
| R***2 | Lockwasher - 1/4" (External Tooth) | 6 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cab Group : Receiver Dryer Assembly (Pb6475)
| VE***66 | Switch, Pressure | 1 |
| VE***65 | Receiver Dryer | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cab Group : Seat Assembly - 1 (Pb4414)
| C***3 | Capscrew - 1/2" - 13nc X 11 1/4" (2) | 2 |
| DD***40 | Flat Washer - 1/2" (2) | 2 |
| DF***42 | Flatwasher, Plain - 3/4" | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cab Group : Seat Assembly - 2 (Pb4414)
| DF***42 | Flatwasher, Plain - 3/4" | 4 |
| RK***34 | Note: (1) Serviced As Part Of Bearing Kit Rk0234 | 0 |
| RK***35 | (2) Serviced As Part Of Hardware Kit Rk0235 | 0 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cab Group : Seat Assembly - 3 (Pb4414)
| C***2 | Capscrew - 3/8" - 16nc X 1" (Qty. 10 Not Included In Assm) | 2 |
| RK***34 | Note: (1) Serviced As Part Of Bearing Kit Rk0234 | 0 |
| RK***35 | (2) Serviced As Part Of Hardware Kit Rk0235 | 0 |
Cooling System
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cooling System : Fan Guard Installation
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 11 |
| C***3 | Capscrew - 3/8" - 16nc X 1-1/4" G5 (1) | 11 |
| PB***51 | Guard, Fan | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cooling System : Radiator Air Baffle Installation
| C***2 | Capscrew - 3/8" - 16nc X 1" (Qty. 10 Not Included In Assm) | 12 |
| C***3 | Capscrew - 3/8" - 16nc X 1-1/4" G5 (1) | 8 |
| TX***64 | Weatherstrip | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cooling System : Radiator Assembly - 1 (Pb7024)
| C***1 | Capscrew - 3/8" - 16nc X 16nc X 3/4" | 18 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 18 |
| C***0 | Nut, Hex (Grab Handle) | 116 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cooling System : Radiator Assembly - 2 (Pb7279)
| C***0 | Nut, Hex (Grab Handle) | 124 |
| C***8 | Lockwasher - 5/16" | 156 |
| C***8 | Capscrew - 5/16" - 18nc X 1" (2) | 20 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cooling System : Radiator Core Assm (Ve5425 (2))
| C***2 | Capscrew - 3/8" - 16nc X 1" (Qty. 10 Not Included In Assm) | 8 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 76 |
| C***1 | Nut - 3/8" - 16nc X 2 1/4" | 68 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cooling System : Radiator Piping - 1
| C***5 | Nut - 5/8" Unc (G5) | 4 |
| CD***07 | Clamp (Top & Bottom Connections) | 2 |
| C***2 | Lockwasher - 3/4" (For Shipping Only) | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Cooling System : Radiator Piping - 2
| C***2 | Capscrew - 3/8" - 16nc X 1" (Qty. 10 Not Included In Assm) | 2 |
| C***1 | Plug, Pipe (3) (Qty.1 (4)) | 1 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 6 |
Electrical System
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Electrical System : Rear Light Assembly
| AK***22 | Note: (1) Included In Ak1022 Backup Light Assm | 2 |
| AK***26 | (3) Included In Ak1026 Tail & Stop Light Assm | 4 |
| AK***30 | Bulb - Light - 24v/60w (1)/(2)/(3)/(4) | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Electrical System : Wiring Installation - 1
| AK***30 | Bulb - Light - 24v/60w (1)/(2)/(3)/(4) | 4 |
| C***2 | Capscrew - 3/8" - 16nc X 1" (Qty. 10 Not Included In Assm) | 2 |
| C***0 | Nut - 1/4" - 20nc (1) - Qty 100 (2) | 4 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Electrical System : Wiring Installation - 2
| AK***22 | Note: (1) Included In Ak1022 Backup Light Assm | 2 |
| AK***26 | (3) Included In Ak1026 Tail & Stop Light Assm | 2 |
| AK***49 | Alarm, Reversing | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Electrical System : Wiring Installation - 3
| C***0 | Nut - 1/4" - 20nc (1) - Qty 100 (2) | 2 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 2 |
| C***4 | Lockwasher - 1/4" (1) - Qty 100 (2) | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Electrical System : Wiring Installation - 4
| PB***98 | Switch, Low Brake Pressure Warning | 1 |
| PB***72 | Switch, Parking Brake Pressure | 1 |
| PB***74 | Switch, Low Steering Pressure | 1 |
Engine/Transmission Group
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Engine/Transmission Group : Accelerator Control (Pb5959)
| VE***43 | Clevis Term. Kit | 1 |
| VE***44 | Bellows | 1 |
| VE***36 | Bearing Kit | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Engine/Transmission Group : Air Cleaner Assembly (Pb5986)
| TR***87 | Clamp | 1 |
| TR***89 | Clamp, Lower | 1 |
| TR***90 | Cup | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Engine/Transmission Group : Air Cleaner Installation
| C***5 | Lockwasher - 7/16" | 4 |
| C***5 | Nut - 5/8" Unc (G5) | 4 |
| C***1 | Coupling, Pipe (At Left Front Of Anti-Sway Bar) | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Engine/Transmission Group : Cold Weather Starting Aid
| C***0 | Nut, Hex (Grab Handle) | 2 |
| C***8 | Lockwasher - 5/16" | 2 |
| C***7 | Capscrew - 5/16" - 18nc X 3/4" With Lockwasher | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Engine/Transmission Group : Driveline Shield Installation - 1
| C***3 | Nut - 1/2" - 13nc (G5) | 8 |
| C***0 | Lockwasher, High Collar - 1/2" | 8 |
| C***3 | Capscrew - 1/2" - 13nc X 11 1/4" (2) | 8 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Engine/Transmission Group : Driveline Shield Installation - 2
| C***3 | Nut - 1/2" - 13nc (G5) | 4 |
| C***0 | Lockwasher, High Collar - 1/2" | 4 |
| C***3 | Capscrew - 1/2" - 13nc X 11 1/4" (2) | 4 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Engine/Transmission Group : Engine Guard Installation
| C***1 | Lockwasher - 5/8" (3)/(4) | 4 |
| EB***51 | Guard | 1 |
| VL***93 | Nut, Lock - 3/4" - 10nc (G8) (1) | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Engine/Transmission Group : Engine Installation
| C***2 | Capscrew - 3/8" - 16nc X 1" (Qty. 10 Not Included In Assm) | 3 |
| C***3 | Capscrew - 3/4" - 10nc X 4 1/4" | 2 |
| C***0 | Bolt, Slotted Hex Head - 5/8" - 11, 2" Long | 8 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Engine/Transmission Group : Pivot Exhaust Installation
| C***2 | Capscrew - 3/8" - 16nc X 1" (Qty. 10 Not Included In Assm) | 2 |
| C***3 | Nut - 1/2" - 13nc (G5) | 3 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Engine/Transmission Group : Relay Box Assembly (Ve5843)
| H***0 | Machine Screw | 2 |
| HE***67 | Machine Screw - #6 - 32nc X 1/2" (2) | 8 |
| PB***67 | Relay (Located In Operator'S Cab Junction Box) | 7 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Engine/Transmission Group : Shift Selector Assembly (Pb6235)
| 01***11 | Pin, Dowel | 1 |
| 94***92 | Roller, Positioning | 2 |
| A0***98 | Screw - #6 - 32nc X 3/8" Lg | 14 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Engine/Transmission Group : Throttle Linkage Installation
| C***3 | Pin, Cotter | 1 |
| C***2 | Capscrew - 3/8" - 16nc X 1" (Qty. 10 Not Included In Assm) | 2 |
| C***6 | Flat Washer - 1/4" (Plain) | 3 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Engine/Transmission Group : Transmission & Mounting Instl
| C***1 | Lockwasher - 5/8" (3)/(4) | 8 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 4 |
| C***1 | Bolt, Hex Head - 5/8"-11, 2 1/4" Long | 8 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Engine/Transmission Group : Transmission Guard Installation
| C***1 | Lockwasher - 5/8" (3)/(4) | 4 |
| C***0 | Lockwasher, High Collar - 1/2" | 4 |
| C***3 | Capscrew - 1/2" - 13nc X 11 1/4" (2) | 4 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Engine/Transmission Group : Transmission Piping
| C***0 | Lockwasher, High Collar - 1/2" | 20 |
| C***8 | Capscrew - 1/2" - 13nc X 2 1/2" | 8 |
| C***3 | Capscrew - 1/2" - 13nc X 11 1/4" (2) | 8 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Engine/Transmission Group : Transmission Shift Installation
| PB***34 | Harness, Transmission Shift | 1 |
| PB***35 | Selector (Shift) (See Fig 15304) | 1 |
| SP***17 | Flat Washer - 1/4" - 20nc | 7 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Engine/Transmission Group : Universal Joint Assm - 1 (Pb6120)
| TV***96 | Retainer, Felt | 1 |
| TV***97 | Washer, Felt | 1 |
| TV***98 | Washer, Retainer | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Engine/Transmission Group : Universal Joint Assm - 2 (Pb3902)
| TV***96 | Retainer, Felt | 1 |
| TV***97 | Washer, Felt | 1 |
| TV***98 | Washer, Retainer | 2 |
Final Drive, Rim & Brake Group
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Final Drive, Rim & Brake Group : Anchor & Pin Installation
| C***0 | Bolt, Slotted Hex Head - 5/8" - 11, 2" Long | 2 |
| C***1 | Lockwasher - 5/8" (3)/(4) | 2 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Final Drive, Rim & Brake Group : Differential (Tx4789)
| 72***16 | Pin, Roll | 4 |
| KC***04 | Pin, Roll | 4 |
| PB***90 | Bearing Assembly | 4 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Final Drive, Rim & Brake Group : Differential Assembly (Tx4790)
| C***5 | Capscrew - 3/4" - 10nc X 2 1/4" (1) | 9 |
| D***2 | Cup, Bearing | 1 |
| DF***88 | O-Ring | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Final Drive, Rim & Brake Group : Differential Mounting (Tz6284)
| C***5 | Capscrew - 3/4" - 10nc X 2 1/4" (1) | 20 |
| DA***93 | Gauge, Sight | 1 |
| TH***04 | O-Ring - #12 - 90 D (2) | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Final Drive, Rim & Brake Group : Final Drive Assembly (Tz6284)
| PB***79 | Cone, Single Roller | 4 |
| PB***78 | Cup, Single Roller | 4 |
| SL***74 | Pin, Spring | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Final Drive, Rim & Brake Group : Final Drive Assembly - 1 (Tz6284)
| C***4 | Plug, Pipe - 1 1/4" | 1 |
| D***0 | Plug, Pipe | 2 |
| R***6 | Elbow (Not Included In Assembly) | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Final Drive, Rim & Brake Group : Final Drive Assembly - 2 (Tz6284)
| D***0 | Plug, Pipe | 2 |
| DA***66 | Ring, Retaining | 6 |
| DA***71 | Bearing, Double Roller | 6 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Final Drive, Rim & Brake Group : Panhard Rod Installation
| C***7 | Fitting, Grease | 2 |
| DA***67 | Ring, Retaining (1) | 4 |
| PB***14 | Bushing, External Race (1) | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Final Drive, Rim & Brake Group : Rear Rim & Components
| C***1 | Capscrew - 3/8" - 16nc X 16nc X 3/4" | 2 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 2 |
| PB***86 | Rim - 17" X 35" | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Final Drive, Rim & Brake Group : Rear Suspension Assembly (Tx4261)
| C***5 | Fitting, Drive Yoke Grease | 2 |
| H***1 | Ball, Steel - 3/4" (1) | 2 |
| PB***29 | Seal, Rod | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Final Drive, Rim & Brake Group : Rear Suspension Installation
| TD***44 | Ring, Snap | 4 |
| TH***96 | Bushing | 4 |
| TX***35 | Boot, Cylinder | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Final Drive, Rim & Brake Group : Wet Disc Brake Assembly (Tz8274)
| C***2 | Capscrew - 3/8" - 16nc X 1" (Qty. 10 Not Included In Assm) | 6 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 6 |
| PB***00 | Disc, Friction (4) | 11 |
Frame Group
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Frame Group : Grille, Decks & Frame
| C***5 | Nut - 5/8" Unc (G5) | 16 |
| C***2 | Lockwasher - 3/4" (For Shipping Only) | 4 |
| C***0 | Bolt, Slotted Hex Head - 5/8" - 11, 2" Long | 10 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Frame Group : Hood, Deck & Safety Walk
| C***5 | Nut - 5/8" Unc (G5) | 5 |
| C***5 | Capscrew - 5/8" - 11nc X 1-1/4" | 10 |
| C***0 | Bolt, Slotted Hex Head - 5/8" - 11, 2" Long | 12 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Frame Group : L.H. Handrail
| TR***45 | Nut, Hex - #10 - 32nf (Zinc Pl) | 6 |
| VC***87 | Capscrew - 1/2" - 13nc X 1" (Zinc) | 6 |
| YA***27 | Handrail | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Frame Group : Lower Step Installation
| C***1 | Capscrew - 3/8" - 16nc X 16nc X 3/4" | 4 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 4 |
| TW***80 | Step, Lower | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Frame Group : R.H. Handrail & Mirror
| C***7 | Capscrew - 5/16" - 18nc X 3/4" With Lockwasher | 2 |
| HE***11 | Locknut - 3/8" - 16nc (L.H. Side Requires Qty.2) | 2 |
| PB***06 | Mirror, Convex | 1 |
Front Rim & Brake Group
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Front Rim & Brake Group : Front Brake Assembly (Pb6180)
| VE***88 | Plate, Retaining | 4 |
| VE***95 | O-Ring (1) | 3 |
| VN***47 | Capscrew - 5/8" - 11nc X 1 1/2" (3) | 8 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Front Rim & Brake Group : Front Rim, Brake & Suspension Instl
| C***2 | Capscrew - 3/8" - 16nc X 1" (Qty. 10 Not Included In Assm) | 12 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 12 |
| EB***29 | Spindle | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Front Rim & Brake Group : Front Suspension Assembly (Ty3706)
| C***2 | Capscrew - 3/8" - 16nc X 1" (Qty. 10 Not Included In Assm) | 2 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 2 |
| H***1 | Ball, Steel - 3/4" (1) | 2 |
Fuel System
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Fuel System : Fuel Piping Installation
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 11 |
| DA***67 | Element, Fuel Filter | 2 |
| DF***42 | Flatwasher, Plain - 3/4" | 11 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Fuel System : Fuel Tank Installation
| C***5 | Nut - 5/8" Unc (G5) | 4 |
| C***2 | Lockwasher - 3/4" (For Shipping Only) | 1 |
| CC***07 | Lockwasher - 5/8" (Internal Tooth) | 4 |
Hydraulic System
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Accumulator Piping
| C***2 | Capscrew - 3/8" - 16nc X 1" (Qty. 10 Not Included In Assm) | 3 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 15 |
| C***0 | Lockwasher, High Collar - 1/2" | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Auxiliary Manifold (Pb7096)
| RK***17 | Note: (1) Not Svcd Separtely. Use Rk0217 Seal Kit | 1 |
| VE***05 | Pressure Reduction Valve (See Index) | 1 |
| VE***44 | Coil, Solenoid | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Brake Accumulator Assm (Ty4839)
| C***0 | Capscrew - 3/8" - 16nc X 1/2" (1) | 2 |
| PB***01 | Switch, Pressure | 1 |
| TD***86 | Grommet, Rubber (1) | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Brake Accumulator Tube Assm (Ty5886)
| PB***94 | Charging Valve Assm (1)/(3)/(4) | 1 |
| PB***27 | Seal, T (1) | 1 |
| TD***79 | Core, Valve (4) | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Brake Manifold (Pb7567)
| VE***30 | Valve, Solenoid | 1 |
| VE***37 | Plug | 1 |
| VE***38 | Plug, Orifice | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Brake Valve (Pb7682)
| VE***52 | Cup (1) | 2 |
| VE***27 | Ring, Backup (1) | 2 |
| VE***61 | Housing | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Front Brake Piping
| HA***71 | Hose | 2 |
| HA***07 | Hose | 1 |
| HA***16 | Hose | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Hoist Cylinder Assembly (Tz4551)
| C***1 | Lockwasher - 5/8" (3)/(4) | 6 |
| EB***56 | Rod | 1 |
| PB***36 | Seal, Buffer - 3.75 (1) | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Hoist Cylinder Installation
| TM***55 | Retainer | 2 |
| TH***47 | Locknut - 3/4" - 10nc (1) | 2 |
| TX***45 | Hoist Cylinder Assm (See Following Pg) | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Hoist Valve Assembly (Pb7361)
| HC***57 | O-Ring | 2 |
| H***9 | Jam Nut - 1/2" - 20nf | 2 |
| PB***69 | Coupling, Male Quick Disconnect (2) | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Hydraulic Filter & Piping
| C***0 | Nut, Hex (Grab Handle) | 6 |
| C***9 | Flat Washer - 1/2" (Plain) | 8 |
| C***0 | Lockwasher, High Collar - 1/2" | 36 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Hydraulic Filter Assm (Pb7700/Pb7701)
| PB***80 | Element, Filter | 1 |
| VE***07 | Indicator, Pressure (1) | 1 |
| VE***60 | Seal, Head/Bowl (4) | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Hydraulic Piping - 1
| C***6 | Capscrew - 3/8" - 16nc X 2" | 2 |
| C***6 | Flat Washer - 1/4" (Plain) | 2 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 18 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Hydraulic Piping - 2
| C***5 | Lockwasher - 7/16" | 12 |
| C***9 | Plug, Pipe - 1/4" | 1 |
| C***9 | Capscrew - 7/16" - 14nc X 1-1/2" | 12 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Hydraulic Piping - 3
| C***1 | Capscrew - 3/8" - 16nc X 16nc X 3/4" | 2 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 2 |
| C***0 | Lockwasher, High Collar - 1/2" | 8 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Hydraulic Pump (Pb7650)
| C***9 | Bearing, Ball | 1 |
| CE***09 | O-Ring (1)/(2) | 1 |
| SP***68 | Ring, Retaining | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Hydraulic System
| C***5 | Lockwasher - 7/16" | 8 |
| C***9 | Capscrew - 7/16" - 14nc X 1-1/2" | 16 |
| C***3 | Nut | 4 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Hydraulic Tank
| C***2 | Lockwasher - 3/4" (For Shipping Only) | 1 |
| C***1 | Capscrew - 3/8" - 16nc X 16nc X 3/4" | 2 |
| C***4 | Capscrew - 3/4" - 10nc X 4 1/2" (Left Front Deck) | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Low Pressure Detection Module (Pb7568)
| VE***37 | Plug | 3 |
| VE***39 | Shuttle, Hot Oil | 1 |
| VE***41 | Valve, Manual | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Parking Brake (Th7890)
| C***2 | Lockwasher - 3/4" (For Shipping Only) | 2 |
| F***5 | Nut, Jam - 3/4" - 16nf | 2 |
| TH***73 | Brace, Anchor Pin | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Parking Brake Actuator Assm (Tx8190)
| DF***00 | Nut, Lock - 1/2" - 13nc X 3" | 6 |
| HE***15 | Clamp | 1 |
| PB***28 | Spring, Compression | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Parking Brake Actuator Instl
| C***3 | Pin, Cotter | 2 |
| C***5 | Capscrew - 3/8" - 16nc X 1 3/4" (L.H. Side) | 4 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 4 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Power Take-Off Assembly (Pb7651)
| C***5 | Capscrew - 1/2" - 13nc X 1 3/4" (G5) | 4 |
| C***7 | Capscrew - 5/16" - 18nc X 3/4" With Lockwasher | 1 |
| E***6 | Capscrew - 1/2" - 13nc X 1 1/2" | 4 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Pressure Reduction Valve (Ve2205)
| RK***17 | Note: (1) Not Svcd Separtely. Use Rk0217 Seal Kit | 0 |
| TF***44 | O-Ring - Housing | 1 |
| VS***12 | Washer, Backup (2) | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Rear Brake Piping
| C***0 | Nut, Hex (Grab Handle) | 4 |
| C***0 | Lockwasher, High Collar - 1/2" | 56 |
| C***4 | Capscrew - 1/2" - 13nc X 1 1/2" (Qty. 8 (2)) | 56 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Retarder Valve (Pb7704)
| VE***52 | Cup (1) | 1 |
| VE***19 | Pin | 1 |
| VE***28 | Guide | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Slack Adjuster (Pb7419)
| TH***49 | Packing | 2 |
| VE***07 | Spring | 2 |
| VE***05 | Base Adjuster | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Steering Accumulator Assm (Ty4841)
| C***0 | Capscrew - 3/8" - 16nc X 1/2" (1) | 2 |
| PB***01 | Switch, Pressure | 1 |
| TD***86 | Grommet, Rubber (1) | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Steering Accumulator Tube Assm (Ty5884)
| PB***94 | Charging Valve Assm (1)/(3)/(4) | 1 |
| PB***27 | Seal, T (1) | 1 |
| TD***79 | Core, Valve (4) | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Steering Control Unit (Pb6278)
| VP***38 | Seal, Dust (3) | 1 |
| VE***16 | Seal, O-Ring (1) | 1 |
| VE***20 | Seal, O-Ring (2) | 3 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Steering Piping - 1
| C***2 | Capscrew - 3/8" - 16nc X 1" (Qty. 10 Not Included In Assm) | 6 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 10 |
| C***7 | Flat Washer - 3/8" (Attaches With #31 Undercab) | 6 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Steering Piping - 2
| C***1 | Capscrew - 3/8" - 16nc X 16nc X 3/4" | 2 |
| HA***06 | Hose (See Ref. #2, Preceding Pg) | 1 |
| HA***86 | Hose | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Steering Pump Assembly - 1 (Pb6276)
| TL***79 | O-Ring (1) | 8 |
| VE***52 | Shim - .010 | 0 |
| VE***42 | Valve (Outlet) | 8 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Steering Pump Assembly - 2 (Pb6276)
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Hydraulic System : Wear Indicator Assembly (Eb1722)
| EB***20 | Pin, Wear Indicator | 1 |
| EB***21 | Housing, Wear Indicator | 1 |
| EB***23 | Cap, Indicator | 1 |
Special Item Group
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Special Item Group : Electric Tachograph (Tz3764)
| C***2 | Capscrew - 3/8" - 16nc X 1" (Qty. 10 Not Included In Assm) | 2 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 2 |
| C***1 | Nut - 3/8" - 16nc X 2 1/4" | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Special Item Group : Fog Light Installation
| AK***23 | Light, Fog | 2 |
| AK***30 | Bulb - Light - 24v/60w (1)/(2)/(3)/(4) | 1 |
| AK***37 | Lens/Reflector - Amber (3) | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Special Item Group : Group Lube Installation
| C***5 | Fitting, Drive Yoke Grease | 9 |
| C***0 | Lockwasher, High Collar - 1/2" | 4 |
| C***2 | Capscrew - 1/2" - 13nc X 1.00 | 4 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Special Item Group : Hotstart Installation (Tz4803)
| C***0 | Nut - 1/4" - 20nc (1) - Qty 100 (2) | 4 |
| CD***07 | Clamp (Top & Bottom Connections) | 4 |
| C***5 | Capscrew - 1/4" - 20nc X 5/8" (1) | 4 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Special Item Group : Hubodometer Installation
| PB***83 | Hubodometer (Kilos) (2) | 1 |
| R***7 | Set Screw - 1/4" - 20nc X 1" | 3 |
| SF***44 | Nut, Jam - 1/4" - 20nc | 3 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Special Item Group : Hydrair Charging Kit (Vd4665)
| HC***80 | Bushing, Pipe - 1/8" X 1/4" (At Body Pivot Pins) | 4 |
| PB***08 | Regulator, Nitrogen | 1 |
| SV***30 | Fitting, Straight | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Special Item Group : Low Fuel Warning (Tz3744)
| C***0 | Nut - 1/4" - 20nc (1) - Qty 100 (2) | 1 |
| C***4 | Lockwasher - 1/4" (1) - Qty 100 (2) | 1 |
| C***8 | Lockwasher - 5/16" | 4 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Special Item Group : Mud Flap Installation
| TZ***33 | Mud Flap | 1 |
| TR***36 | Flatwasher - 3/8" (Qty 5 (4)) | 84 |
| TY***14 | Strip | 4 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Special Item Group : Muffler Installation (Tz8776)
| C***3 | Nut - 1/2" - 13nc (G5) | 16 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 8 |
| C***7 | Flat Washer - 3/8" (Attaches With #31 Undercab) | 4 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Special Item Group : No-Spin Differential (Tx3989)
| PB***19 | Differential Assembly | 1 |
| TX***20 | Carrier Assembly | 1 |
| VE***29 | Spider Assembly | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Special Item Group : Quick Fuel Installation - 1 (Tz3750)
| C***9 | Plug, Pipe - 1/4" | 1 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 6 |
| C***4 | Lockwasher - 1/4" (1) - Qty 100 (2) | 6 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Special Item Group : Quick Fuel Installation - 2 (Tz3751)
| C***9 | Plug, Pipe - 1/4" | 1 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 6 |
| C***0 | Lockwasher, High Collar - 1/2" | 6 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Special Item Group : Radiator Shutter Assm (Pb7423(1)/Pb7424(2))
| C***0 | Nut - 1/4" - 20nc (1) - Qty 100 (2) | 120 |
| C***2 | Nut - 3/8" - 24nf | 2 |
| C***2 | Lockwasher - 3/8" (Qty. 10 Not Included In Assembly) | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Special Item Group : Radiator Shutters Installation
| C***0 | Nut - 1/4" - 20nc (1) - Qty 100 (2) | 2 |
| C***6 | Flat Washer - 1/4" (Plain) | 2 |
| C***4 | Lockwasher - 1/4" (1) - Qty 100 (2) | 2 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Special Item Group : Rim Components Group
| AK***93 | Rim - 15" X 35" (Optional Size) | 1 |
| TL***69 | O-Ring | 1 |
| VW***56 | Ring, Bead Seat | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Special Item Group : Tool Group (Ty3204)
| JG***89 | Wrench, Pinion Socket | 1 |
| PB***63 | Coupling, Female | 3 |
| TA***46 | Tool, Seal Instl (14.43" I.D.) | 1 |
Steering System
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Steering System : Steering Column Assembly (Pb6880)
| VE***10 | Capscrew - 3/8" - 24nf (1) | 4 |
| VE***06 | Lockwasher | 2 |
| VE***07 | Bracket, Mounting | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Steering System : Steering Cylinder Assembly (Tx7633)
| TX***31 | Housing | 1 |
| TX***22 | Rod | 1 |
| TD***94 | Seal, O-Ring | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Steering System : Steering Installation
| 72***18 | Fitting, Relief | 4 |
| C***5 | Fitting, Drive Yoke Grease | 4 |
| C***4 | Lockwasher - 1/4" (1) - Qty 100 (2) | 24 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Steering System : Steering Wheel & Column Instl
| DA***57 | Flat Washer (Special) | 4 |
| D***1 | Capscrew - 3/8" - 24nf X 1 1/4" | 2 |
| PB***80 | Steering Column Assm (See Index) | 1 |
Komatsu : Bfa40-1(210m Bfa40-A Thru Ar) : Steering System : Tie Rod Assembly (Pb6583)
| C***4 | Capscrew - 5/8" - 11nc X 3" (1) | 2 |
| D***2 | Pin, Cotter (1) | 2 |
| VN***52 | Nut, Locking - 5/8" - 11nc | 2 |
BFA40-1(210M BFA40-A thru AR) serial number reference
The PIN/serial plate on Dresser/Komatsu-Dresser 210M trucks is typically riveted to the main frame, on the right-hand (curb) side near the front of the chassis or at the cab step area, rather than on the engine. The plate reads as a letter-prefix code, e.g. BFA40, followed by a running letter sequence (A, B, C ... Z, AA, AB ... AR) rather than a numeric serial — the letter sequence marks production order within that engine/arrangement block, not a model year by itself. Match the full letter code against the applicable parts or service manual break to confirm engine fitment and applicable component revisions.
| Prefix | Identifies | Notes |
|---|---|---|
| BFA40 (S/N BFA40-A thru BFA40-AR) | 210M off-highway rear-dump haul truck, BFA40-1 arrangement — earliest production block in the 210M PIN sequence | Covers the PIN run from BFA40-A through BFA40-AR, the first block before the line steps up to BFA40-2 at BFA40-AS. Engine for this block is the KT-19/1150 series (Cummins KT19/KTA19), a turbocharged inline-six of roughly 18.9 L (1150 cu in) displacement; the same engine family continues through the following block and does not change to the QSK-19 until much later in the PIN sequence (BFA40-4 and up). The 210M is a mechanical-drive rear-dump truck in the 35-60 ton class with electronically controlled powershift transmission, part of the Dresser 140M/210M truck line built at the Peoria, Illinois plant. Nameplate branding on trucks in this block would read Dresser (or early Komatsu Dresser) rather than Komatsu, consistent with the line's introduction in the late 1980s. Exact calendar years for the A-through-AR block are not spelled out in factory literature — confirm build year with your dealer using the full PIN. |
Frequently asked questions
What engine does the Komatsu BFA40-1 (210M, BFA40-A thru AR) use?
This serial range runs the Cummins KT-19/1150-series engine (K19/KTA19 family) - a turbocharged, mechanically governed inline-six of about 18.9 L (1150 cu in) displacement with a PT (pressure-time) fuel system and no electronic engine control module. Later 210M serial ranges (BFA40-4 and up) switched to the electronically controlled Cummins QSK-19; that engine does not apply to this A-thru-AR block.
What is the operating weight of this truck?
This truck falls in the roughly 95 t (210,000 lb) gross operating weight class, which is the basis for the "210M" model name, carrying a nominal payload around 41-45 t (45-50 US tons) within the wider 32-54 t (35-60 ton) class for this line. Exact figures vary by dump-body configuration and options; confirm shipping weight for a specific unit against its data plate or dealer records.
What replaced the Komatsu BFA40-1 (210M, BFA40-A thru AR)?
Production on the same 210M chassis continued forward through the BFA40-2 and BFA40-3 serial blocks, still on the mechanical KT-19/1150 engine, before Komatsu updated the line to the electronically controlled Cummins QSK-19 starting at BFA40-4 and continuing through BFA40-6. This A-thru-AR range wasn't replaced by a different model - it was carried forward on the same 210M platform with a newer engine and electronic controls.
What BFA40-1(210M BFA40-A thru AR) owners discuss
What do mechanics say about the Cummins KT-19/1150 engine in this serial range?
This truck carries the mechanically governed Cummins K19-family engine (KT-19/1150 series), not a later electronically controlled unit. It runs a PT (pressure-time) fuel system: a gear-driven pump that self-adjusts fuel pressure to engine speed and load, paired with a mechanical dual-flyweight governor for overspeed protection. Wrench turners flag PT pump and injector wear as the top driver of rough idle, hard starting, and smoke on high-hour units, more often than the turbo itself. RPM hunting or surging at idle usually traces back to the pump, a worn injector, or the governor linkage rather than the turbo, though a mechanic will still rule out clogged fuel lines and boost leaks first since they're cheaper to check.
How do these trucks start in cold weather, and is there anything to watch?
With a mechanical PT fuel system and no glow plugs, cold starts on this engine lean on ether/starting fluid and a block or coolant heater rather than an electronic pre-heat cycle. The diesel-mechanic consensus on ether use is blunt: meter it, don't hold the button. Flooding a cold cylinder with starting fluid can hydraulic-lock it or crack a piston before the engine even fires, since there's no electronic injection timing to compensate. Have your dealer verify the starting-aid system (ether solenoid, metering valve, coolant/block heater circuit) is working correctly before relying on it through a cold season.
What powertrain and hydraulic complaints come up for this type of mechanical-drive haul truck?
Trucks of this type run a torque converter and powershift transmission driving through a differential and final drives, with wet multi-disc brakes doing double duty as the retarder on long grades. Operators watch converter/transmission oil temperature on sustained downhill runs. A temperature that climbs and won't settle back down is read as the first sign of glazed brake discs or a converter and clutch pack starting to slip, not an engine problem. Gradual loss of pulling power under load, once the fuel system checks out clean, gets pinned on the converter or clutches more often than the engine itself.
What wear patterns show up on the tires, suspension, and frame on this class of haul truck?
As a wheeled rigid-frame truck, there's no track undercarriage to wear; the wear shows up in the tires, the front strut and rear suspension cylinders, and the frame rails instead. Uneven or one-sided tread wear points to an alignment or suspension fault, not just tire quality. Frame cracking, when it happens, tends to show first around the dump-body mounting points and rear corners, and usually only turns up after the frame is washed down clean enough to spot a hairline crack. Suspension cylinders need the correct nitrogen and oil pre-charge; a cylinder that has lost charge bottoms out hard on load and leaks past its seals faster than one properly charged.
What's the typical final drive and differential wear pattern operators report?
Bearing wear inside the differential and each corner's final drive is the pattern called out most on high-hour mechanical-drive trucks: a growing whine or clank under load, a slight pull or drift to one side, and rising vibration before a bearing lets go outright. Catching the noise early and pulling the unit for inspection is cheaper than running it to failure, which can take the gear set down with it.
What electrical or sensor issues come up on this generation of truck?
This serial range predates electronic engine and chassis controls, so there's no fault-code diagnostics to chase. What gets reported is old-iron basics: gauge sending units (oil pressure, water temperature) going intermittent, wiring harnesses chafing through at frame flex points and vibration zones, and weak batteries or a tired starter circuit struggling to crank a big-displacement engine in cold weather. The ether-start wiring and solenoid are also a common point of failure worth checking if cold starts get progressively harder over time.
What should a buyer check before purchasing a used one of these trucks?
Start the engine cold if possible and watch for excess smoke, hard starting, or a hunting idle, all pointing at PT pump/injector condition. Run the transmission through its gears and watch converter/oil temperature for a slow climb that won't recover. Test the service brakes and retarder on a grade and confirm the park brake holds; have your dealer verify brake and retarder integrity before the truck goes back to work, since this is safety-critical. Wash down and inspect the frame for cracks, especially around the body mounts and rear corners. Check suspension cylinders for leaks and proper charge, and look at tire wear for uneven patterns that point to alignment issues. Listen for whine or clank from the differential and final drives under load. Ask for engine hours since the last major PT pump/injector overhaul plus full service records; a truck with no fuel-system records is a bigger unknown than the hour meter reading alone.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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