Description
Pengo by Paladin
Three drill points
Fits Aggressor & TriMax
Overview
This Pengo carbide auger pilot bit — the Carbide Triflow Auger Bit Pilot Tooth (TF-350CXC, part number 135091) — is the pilot that leads a Pengo auger into the ground. It weighs 5.8 lb and carries Pengo soil rating 2 – 3 – 4 – 5, suiting sand, silt, clay and gravel. Like every TriFlow 350 pilot it uses three drill points rather than one, which is what gives the family its wear life and keeps the auger tracking straight from the first turn. It mounts into the auger head itself, so fitment follows the Pengo Aggressor or TriMax head rather than the machine quick attach behind it.
Key Features of the Pengo Carbide Triflow Auger Bit Pilot Tooth
- Widest soil range in the family — rated 2-3-4-5, from sand through gravel.
- Heaviest grade at 5.8 lb, reflecting the additional carbide.
- Pengo triflow carbide pilot, part 135091 — note this is a different grade from the TF-350C carbide tipped pilot bit, which is rated 4-5.
- Listed by some suppliers as auger tips carbide; the Pengo part number is what identifies it unambiguously.
- Pengo soil rating 2 – 3 – 4 – 5 — sand, silt, clay and gravel, so the grade is matched to ground rather than guessed.
- TriFlow 350 three-point design — three drill points spread the work and extend service life against a single-point pilot.
- 5.8 lb, a direct replacement TF-350CXC pilot bit for Pengo Aggressor and TriMax augers.
- Genuine Pengo part, ordered by Pengo part number rather than an aftermarket equivalent — the same catalogue that lists Pengo auger teeth and holders.
- A triflow pilot bit is the centre of the cutting set, working with the auger bit teeth around the head rather than replacing them.
Why the Right Carbide Auger Pilot Bit Matters
- The pilot goes in first. It sets the hole centre and pulls the auger down — a worn or wrong-grade pilot makes the whole auger work harder.
- Three drill points, not one. The TriFlow design spreads wear across three cutting points, which is why the family lasts longer than a conventional pilot bit.
- Grade matched to ground. Running a standard pilot in gravel wastes it quickly; running carbide in soft dirt spends money on wear resistance you never use.
- Replacing the pilot is cheaper than replacing the auger. The pilot is the consumable that protects the head behind it.
- One pilot bit for auger work across the season. Because grades share fitment, changing ground means changing the pilot rather than the whole cutting set.
Pengo Carbide Triflow Auger Bit Pilot Tooth Specifications
| Specification | Detail |
|---|---|
| Pengo model | TF-350CXC |
| Part number | 135091 |
| Weight | 5.8 lb |
| Pengo soil rating | 2 – 3 – 4 – 5 |
| Suited to | sand, silt, clay and gravel |
| Design | TriFlow 350, three drill points |
| Fits | Pengo Aggressor and TriMax augers |
Which TriFlow 350 Pilot Grade Do You Need?
Pengo builds the TriFlow 350 pilot in five grades. They share the same three-point design and the same fitment — the difference is the ground each is rated for, and how much wear protection you are paying for.
| Grade | Pengo model | Part number | Weight | Soil rating | Best in |
|---|---|---|---|---|---|
| Standard | TF-350 | 135088 | 5 lb | 1 – 2 – 3 | Dirt, sand, silt |
| Hardface | TF-350HF | 135089 | 5.5 lb | 2 – 3 – 4 | Sand, silt, clay |
| Hardface carbide | TF-350HFTC | 135092 | 5.5 lb | 2 – 3 – 4 | Sand, silt, clay — abrasive |
| Carbide | TF-350CXC | 135091 | 5.8 lb | 2 – 3 – 4 – 5 | Sand through gravel — widest range |
| Carbide tipped | TF-350C | 135090 | 5.5 lb | 4 – 5 | Clay, gravel |
The TF-350C carbide tipped pilot focuses on clay and gravel at rating 4-5, while the TF-350HFTC hardface carbide pilot and TF-350HF hardface pilot cover 2-3-4. For soft ground the standard TF-350 is the economical choice.
Which Augers Fit This TriFlow Pilot?
The TriFlow 350 pilot fits Pengo Aggressor and TriMax augers, which mount to skid steer loaders, mini excavators and backhoes through a Pengo auger drive. The pilot threads into the auger head, so fitment is decided by the auger, not by the machine driving it.
| Fitment | Detail |
|---|---|
| Auger families | Pengo Aggressor, Pengo TriMax |
| Carriers | Skid steer, mini excavator, backhoe (via Pengo auger drive) |
| Position | Centre pilot — leads the auger into the ground |
| Design | TriFlow 350, three drill points |
If you are unsure which grade suits your ground, or which pilot your auger head takes, contact eskidsteer.com at (866) 757-8337.
Carbide Triflow Auger Bit Pilot Tooth Questions, Answered
Why choose CXC over the other carbide grade?
The TF-350CXC is rated 2-3-4-5, covering sand through gravel — the widest range in the family. The TF-350C is rated 4-5, focused on clay and gravel. If ground varies across your jobs, CXC is the single pilot that covers most of it.
Is this suitable for pilot bit rock drilling?
It is rated to 5 on the Pengo scale, which is gravel. For fracturable rock Pengo builds the Severe Rock Ripper auger with its own RRP pilot rather than a TriFlow pilot.
What does the pilot bit actually do?
It leads the auger into the ground, setting the hole centre and pulling the auger down. The TriFlow 350 design uses three drill points rather than one, spreading wear and keeping the auger tracking straight.
What augers does this pilot fit?
Pengo Aggressor and TriMax augers. The pilot fits the auger head, so the machine driving the auger does not affect fitment.
Do I need to replace the auger bit teeth at the same time?
Not necessarily. The pilot and the teeth wear at different rates depending on ground. Inspect both — Pengo auger teeth in the 40/50 family are replaced separately from the pilot bit.
How do I choose between the five grades?
Match the Pengo soil rating to your ground. Standard TF-350 is rated 1-2-3 for dirt, sand and silt; the hardface and carbide grades step up through clay to gravel at rating 4-5.
How often should a pilot bit be replaced?
Replace it when the drill points are worn back, before the auger head starts doing the pilot work. The pilot is the consumable that protects the more expensive head behind it.
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